[Incidence of cryptorchism in boys up to the age of 7].
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003456:Cryptorchidism / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male
Czestość wystepowania kryptorchizmu u chłopców w wiedu od 0--7 lat