Semen and sulphasalazine.
D003093:Colitis, Ulcerative / Q000188:drug therapy; D003424:Crohn Disease / Q000188:drug therapy; D006801:Humans; D007248:Infertility, Male / Q000139:chemically induced; D008297:Male; D012661:Semen / Q000187:drug effects*; D012460:Sulfasalazine / Q000009:adverse effects*
D012460:Sulfasalazine