[Studies of free amino acids in normal and sterile human semen (author's transl)].
D000328:Adult; D000596:Amino Acids / Q000032:analysis*; D006801:Humans; D007248:Infertility, Male / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D012661:Semen / Q000032:analysis*; D013997:Time Factors
D000596:Amino Acids