[Pattern of mean age of patients with the first episode of myocardial infarction in 1955-1964].
D000367:Age Factors; D000368:Aged; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology*; D011044:Poland; D012737:Sex Factors
Kształtowanie sie średniego wieku chorych z pierwszorazowymi zawałami serca w latach 1955-1964.