[The fertility problem in the male. II. Causes of sterility].
D005298:Fertility; D006801:Humans; D007246:Infertility; D007248:Infertility, Male / Q000209:etiology*; D008297:Male
STERILITY, MALE/etiology and pathogenesis
Das Fertilitätsproblem des Mannes. II. Ursachen der Infertilität.