[Incidence of sex differentiation disorders in boys, 7-16 years of age].
D000293:Adolescent; D002031:Bulgaria; D002648:Child; D003456:Cryptorchidism / Q000453:epidemiology; D012734:Disorders of Sex Development / Q000453:epidemiology*; D006801:Humans; D008297:Male
Chestotata na polovite razstvoĭstva u momchetata na vuzrast ot 7 do 16 g.