title: The effect of food on aspirin induced gastro-intestinal blood loss.
mesh_terms: D001241:Aspirin / Q000009:adverse effects*; D002859:Chromium Isotopes; D002986:Clinical Trials as Topic; D005243:Feces / Q000032:analysis; D005502:Food; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008551:Melena; D008722:Methods; D013997:Time Factors
chemical_list: D002859:Chromium Isotopes; D001241:Aspirin