[On the determination of free hydrochloric acid in the stomach by means of 3-phenylazo-2, 6-diaminopyridine (preliminary note)].
D006851:Hydrochloric Acid; D011725:Pyridines; D013270:Stomach
D011725:Pyridines; D006851:Hydrochloric Acid
HYDROCHLORIC ACID; PYRIDINES