Effect of drug products containing blue dye on Hemoccult and Gastroccult tests.
D002927:Cimetidine / Q000494:pharmacology; D004396:Coloring Agents / Q000494:pharmacology*; D005189:False Positive Reactions; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009780:Occult Blood; D011934:Reagent Strips
D004396:Coloring Agents; D011934:Reagent Strips; D002927:Cimetidine