title: When GI hemorrhage may be a sign of hookworm disease.
mesh_terms: D000747:Anemia, Hypochromic / Q000209:etiology; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000150:complications / Q000209:etiology*; D006725:Hookworm Infections / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis; D013750:Tetrachloroethylene / Q000627:therapeutic use
chemical_list: D013750:Tetrachloroethylene