[VITAMIN B-12 AND SERILITY].
D045728:Corrinoids; D006801:Humans; D007246:Infertility; D007248:Infertility, Male; D008297:Male; D012661:Semen; D014805:Vitamin B 12; D014815:Vitamins
D045728:Corrinoids; D014815:Vitamins; D014805:Vitamin B 12
SEMEN; STERILITY, MALE; VITAMIN B 12
WITAMINA B12 A NIEP ODNO'S'C.