title: [Mental retardation. IV. Importance of certain perinatal factors in the intellectual development of children].
mesh_terms: D001720:Birth Injuries / Q000150:complications; D002648:Child; D002657:Child Development; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000209:etiology*; D011247:Pregnancy; D011248:Pregnancy Complications
vernacular_title: Retardo mental. IV. Importancia de ciertos factores perinatales en el desarrollo intelectual del nino.