title: More on relative usefulness of two tests for occult blood in stool.
mesh_terms: D003093:Colitis, Ulcerative / Q000175:diagnosis; D005243:Feces / Q000032:analysis*; D006801:Humans; D009780:Occult Blood; D011933:Reagent Kits, Diagnostic
chemical_list: D011933:Reagent Kits, Diagnostic