Browsing by Author Contreras, A.M.

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Issue DateTitleAuthor(s)
2012Guideline for interpretation and report of the antibody to hepatitis C virus [Guía de interpretación y reporte del anticuerpo a hepatitis C]Contreras, A.M.; Ochoa-Jiménez, R.J.; Kershenobich, D.; Granados-García, V.; Conde-González, C.J.; Celis, A.; Pérez-Gómez, H.R.; Ruelas-Hernández, S.; Romero-Flores, P.; Alcantar-Luna, E.; De Quevedo, J.S.-G.; Ancona-Piste, O.; Contreras, A.M., Departamento de Salud Pública, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 45120, Zapopan, Jal., Mexico, Departamento de Medicina Interna, Hospital de Especialidades, Centro Médico Nacional de Occidente, Pedro de Alarcon, Num. 45-61 Col. Jardines Vallarta, 45120, Zapopan, Jal., Mexico; Ochoa-Jiménez, R.J., Departamento de Medicina Interna, Hospital General de Zona 1, IMSS, Colima, México, Departamento de Medicina Interna, Hospital Regional de Colima, SSA, México; Kershenobich, D., Instituto Nacional de Ciencias Médicas Y Nutrición Salvador Zubirán, Academia Nacional de Medicina, Mexico; Granados-García, V., Unidad de Investigación Epidemiológica Y en Servicios de Salud, área Envejecimiento, Centro Médico Nacional Siglo XXI, México; Conde-González, C.J., Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, SSA, México; Celis, A., Coordinación del Doctorado en Ciencias de la Salud Pública Centro de, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Mexico; Pérez-Gómez, H.R., Unidad de Investigación Médica en Epidemiología Clínica, Hospital de Especialidades, IMSS, México, Rectoría del Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, México; Ruelas-Hernández, S., Hospital de Especialidades, Centro Médico Nacional de Occidente, IMSS, México; Romero-Flores, P., Banco Central de Sangre, Centro Médico Nacional de Occidente, IMSS, México; Alcántar-Luna, E., División de Medicina Interna, Hospital de Especialidades, Centro Médico Nacional de Occidente, México; De Quevedo, J.S.-G., Departamento de Inmunoanálisis, Unidad de Patología Clínica, Guadalajara, Jalisco, Mexico; Ancona-Piste, ., Coordinación de Información Y Análisis Estratégico, Delegación Sonora, IMSS, México
2012Guideline for interpretation and report of the antibody to hepatitis C virus [Guíade interpretación y reporte del anticuerpo a hepatitis C]Contreras, A.M.; Ochoa-Jimenez, R.J.; Kershenobich, D.; Granados-Garcia, V.; Conde-Gonzalez, C.J.; Celis, A.; Perez-Gomez, H.R.; Ruelas-Hernandez, S.; Romero-Flores, P.; Alcantar-Luna, E.; De Quevedo, J.S.-G.; Ancona-Piste, O.; Contreras, A.M., Departamento de Salud Pública, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 45120, Zapopan, Jal., Mexico, Departamento de Medicina Interna, Hospital de Especialidades, Centro Médico Nacional de Occidente, Pedro de Alarcon, Num. 45-61 Col. Jardines Vallarta, 45120, Zapopan, Jal., Mexico; Ochoa-Jiménez, R.J., Departamento de Medicina Interna, Hospital General de Zona 1, IMSS, Colima, Mexico, Departamento de Medicina Interna, Hospital Regional de Colima, SSA, Mexico; Kershenobich, D., Instituto Nacional de Ciencias Médicas Y Nutrición Salvador Zubirán, Academia Nacional de Medicina, Mexico; Granados-García, V., Unidad de Investigación Epidemiológica Y en Servicios de Salud, Área Envejecimiento, Centro Médico Nacional Siglo XXI, Mexico; Conde-González, C.J., Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, SSA, Mexico; Celis, A., Coordinación del Doctorado en Ciencias de la Salud PúblicaCentro de, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Mexico; Pérez-Gómez, H.R., Unidad de Investigación Médica en Epidemiología Clínica, Hospital de Especialidades, IMSS, Mexico, Rectoría del Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Mexico; Ruelas-Hernández, S., Hospital de Especialidades, Centro Médico Nacional de Occidente, IMSS, Mexico; Romero-Flores, P., Banco Central de Sangre, Centro Médico Nacional de Occidente, IMSS, Mexico; Alcántar-Luna, E., División de Medicina Interna, Hospital de Especialidades, Centro Médico Nacional de Occidente, Mexico; De Quevedo, J.S.-G., Departamento de Inmunoanálisis, Unidad de Patología Clínica, Guadalajara, Jalisco, Mexico; Ancona-Pisté, Ó., Coordinación de Información Y Análisis Estratégico, Delegación Sonora, IMSS, Mexico
2010High antibody level: An accurate serologic marker of viremia in asymptomatic people with hepatitis C infectionContreras, A.M.; Ochoa-Jimenez, R.J.; Celis, A.; Mendez, C.; Olivares, L.; Rebolledo, C.E.; Hernandez-Lugo, I.; Aguirre-Zavala, A.I.; Jimenez-Mendez, R.; Chung, R.T.; Contreras, A.M., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Ochoa-Jiménez, R.J., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Celis, A., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Méndez, C., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Olivares, L., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Rebolledo, C.E., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Hernandez-Lugo, I., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Aguirre-Zavala, A.I., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Jiménez-Méndez, R., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Chung, R.T., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States
2010High yield and high quality DNA from vegetative and sexual tissues of Mexican white pine (Pinus ayacahuite)Contreras, A.M.; Ochoa-Jimenez, R.J.; Celis, A.; Mendez, C.; Olivares, L.; Rebolledo, C.E.; Hernandez-Lugo, I.; Aguirre-Zavala, A.I.; Jimenez-Mendez, R.; Chung, R.T.; Contreras, A.M., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Ochoa-Jiménez, R.J., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Celis, A., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Méndez, C., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Olivares, L., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Rebolledo, C.E., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Hernandez-Lugo, I., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Aguirre-Zavala, A.I., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Jiménez-Méndez, R., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States; Chung, R.T., Health Research Council in Jalisco State, Mexican Institute of Social Security, Pedro de Alarcón No. 45-61, Jardines Vallarta, Zip Code 45120, Zapopan, Jalisco, Mexico, Department of Internal Medicine, Mexican Institute of Social Security, Specialties Hospital, Guadalajara, Jalisco, Mexico, Public Health Department, Health Sciences Center, Guadalajara University, Guadalajara, Jalisco, Mexico, Department of Internal Medicine, General Hospital 1, Mexican Institute of Social Security, Colima, Mexico, Department of Internal Medicine, Clinic of Sexually Transmitted Diseases, Regional Hospital of Colima, Colima, Mexico, External Section of Pharmacology, CINVESTAV, National Politechnic Institute, Mexico City, Mexico, Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA, United States
2011Safe blood in the absence of viral infections due to HBV, HCV and HIV in serological window period in donors [Sangre segura en ausencia de infecciones virales por VHB, VHC y VIH en período de ventana serológica de donadores]Contreras, A.M.; Reta, C.B.; Torres, O.; Celis, A.; Dominguez, J.; Contreras, A.M., Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Hospital de Especialidades, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico; Reta, C.B., Hospital General de Zona con Medicina Familiar No. 6, Instituto Mexicano del Seguro Social, Mexico; Torres, O., Banco Central de Sangre, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico; Celis, A., Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Hospital de Especialidades, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico; Domínguez, J., Banco Central de Sangre, Centro Médico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico
2011Safe blood in the absence of viral infections due to HBV, HCV and HIV in serological window period in donors [Sangre segura en ausencia de infecciones virales por VHB, VHC y VIH en per�odo de ventana serol�gica de donadores]Contreras, A.M.; Reta, C.B.; Torres, O.; Celis, A.; Dominguez, J.; Contreras, A.M., Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Hospital de Especialidades, Centro M�dico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico; Reta, C.B., Hospital General de Zona con Medicina Familiar No. 6, Instituto Mexicano del Seguro Social, Mexico; Torres, O., Banco Central de Sangre, Centro M�dico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico; Celis, A., Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Hospital de Especialidades, Centro M�dico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico; Dom�nguez, J., Banco Central de Sangre, Centro M�dico Nacional de Occidente, Instituto Mexicano del Seguro Social, Mexico