title: A convenient method for occult blood testing of multiple stool samples. Using the non-carcinogenic reagent phenolphthalin.
mesh_terms: D005243:Feces / Q000032:analysis*; D006801:Humans; D008722:Methods; D009780:Occult Blood; D010635:Phenolphthaleins
chemical_list: D010635:Phenolphthaleins