[Working system for the administration of studies on prenatal morbidity ad mortality].
D005260:Female; D005313:Fetal Death; D006801:Humans; D008800:Mexico; D009017:Morbidity; D011247:Pregnancy; D011996:Records; D011795:Surveys and Questionnaires
Sistema operacional para la ejecución de estudios sobre morbiletalidad perinatal.