title: [Main causes of hospitalization and hospital deaths of children and adolescents in the years 1971-1976].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006760:Hospitalization; D006801:Humans; D008297:Male; D009026:Mortality; D011044:Poland; D012737:Sex Factors
vernacular_title: Główne przyczyny hospitalizacji i zgonów dzieci i młodziezy w latach 1971--1976 w szpitalach.