title: [Congenital malformations of the developmental age. II. Incidence of malformations diagnosed during regional studies between the years 1947-1974].
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008297:Male; D012737:Sex Factors
vernacular_title: Wady wrodzone wieku rozwojowego. II. Czestość wad wrodzonych u dzieci w dotychczasowych badaniach regionalnych w latach 1947-1972