title: [The diphenylamine method for demonstration of occult blood in the gastrointestinal tract].
mesh_terms: D000814:Aniline Compounds; D005243:Feces / Q000032:analysis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D006801:Humans; D007202:Indicators and Reagents; D008551:Melena / Q000175:diagnosis* / Q000209:etiology; D008722:Methods
chemical_list: D000814:Aniline Compounds; D007202:Indicators and Reagents
vernacular_title: Difenylaminmetoden til påvisning af okkult blødning i gastrointestinalkanalen