title: [Incidence and occurrence of Down's syndrome in CSR in the years 1961-1966].
mesh_terms: D000328:Adult; D000367:Age Factors; D001315:Australia; D003604:Czechoslovakia; D004314:Down Syndrome / Q000453:epidemiology* / Q000209:etiology; D004781:Environmental Exposure; D005260:Female; D006515:Hepatitis B virus / Q000472:pathogenicity; D006801:Humans; D007564:Japan; D008423:Maternal Age; D008875:Middle Aged; D006113:United Kingdom
vernacular_title: Cetnost a výskyt Downova syndromu v CSR v letech 1961-1966.