Occult blood in faeces.
D001713:Biphenyl Compounds / Q000009:adverse effects*; D006801:Humans; D007880:Legislation, Drug; D008551:Melena / Q000175:diagnosis*; D006113:United Kingdom; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced
D001713:Biphenyl Compounds