[Perinatal mortality risk factors in a case-control study].
D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008800:Mexico; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011248:Pregnancy Complications; D012306:Risk; D012959:Socioeconomic Factors; D013383:Suburban Population
Los factores de riesgo de la mortalidad perinatal en un estudio de casos y controles.