title: [Pathologico--anatomic analysis of morbidity and causes of death during the perinatal period and in early infancy in the Bulgarian People's Republic from 1 May 1979 to 1 May 1980. II. Structure of the causes of infant mortality].
mesh_terms: D002031:Bulgaria; D002675:Child, Preschool; D005260:Female; D005313:Fetal Death / Q000209:etiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality; D011247:Pregnancy
vernacular_title: Patologoanatomichen analiz na zaboliaemostta i prichinite za smurtnost v perinatalna i ranna detska vuzrast v NRB za perioda 1. V. 1979--1. V. 1980 godina. II. Struktura na prichinite za detskata smurtnost.