title: [Epidemiology of external congenital abnormalities].
mesh_terms: D000013:Congenital Abnormalities / Q000453:epidemiology* / Q000401:mortality; D036861:Delivery, Obstetric; D006801:Humans; D007231:Infant, Newborn; D008800:Mexico; D011446:Prospective Studies; D012959:Socioeconomic Factors
vernacular_title: Epidemiología de las malformaciones congénitas externas.