title: [Regional differences of registered mortality on malignant neoplasms in Poland in 1961].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality*; D011044:Poland; D012737:Sex Factors; D013223:Statistics as Topic
vernacular_title: Regionalne róznice rejestrowanej umieralności na nowotwory złośliwe w Polsce w 1961 roku.