Unilateral cryptorchidism; subsequent effects on fertility.
D003456:Cryptorchidism / Q000502:physiology*; D005298:Fertility; D006801:Humans; D007246:Infertility; D007248:Infertility, Male / Q000209:etiology*; D008297:Male; D012106:Research
CRYPTORCHISM/physiology; STERILITY, MALE/etiology