title: [CONGENITAL ABSENCE OF VAS DEFERENS: REPORT OF 7 CASES].
mesh_terms: D000013:Congenital Abnormalities; D006801:Humans; D007246:Infertility; D007248:Infertility, Male; D008297:Male; D052801:Male Urogenital Diseases; D014649:Vas Deferens / Q000002:abnormalities
keywords: ABNORMALITIES; STERILITY, MALE; VAS DEFERENS