title: [Randomized clinical trials: variants, randomization methods, analysis, ethical issues and regulations].
authors.affiliation: Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México. elazcano@correo.insp.mx
authors.forename: Eduardo
authors.initials: E
authors.lastname: Lazcano-Ponce
authors.forename: Eduardo
authors.initials: E
authors.lastname: Salazar-Martínez
authors.forename: Pedro
authors.initials: P
authors.lastname: Gutiérrez-Castrellón
authors.forename: Angélica
authors.initials: A
authors.lastname: Angeles-Llerenas
authors.forename: Adolfo
authors.initials: A
authors.lastname: Hernández-Garduño
authors.forename: José Luis
authors.initials: JL
authors.lastname: Viramontes
mesh_terms: D035843:Biomedical Research / Q000941:ethics* / Q000379:methods / Q000592:standards*; D003627:Data Interpretation, Statistical; D004992:Ethics, Medical; D006801:Humans; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000941:ethics* / Q000379:methods / Q000592:standards*; D012107:Research Design