title: [SIMPLE TESTS FOR GASTRIC JUICE (NON-TUBE) AND OCCULT BLOOD IN FECES].
mesh_terms: D002623:Chemistry Techniques, Analytical; D005243:Feces; D005750:Gastric Juice; D006801:Humans; D009780:Occult Blood
keywords: CHEMISTRY, ANALYTICAL; FECES; GASTRIC JUICE; OCCULT BLOOD