title: QUANTITATIVE ANALYSIS OF ACTIVE HYDROGEN BY NUCLEAR MAGNETIC RESONANCE.
mesh_terms: D002623:Chemistry Techniques, Analytical; D006859:Hydrogen; D008279:Magnetic Resonance Imaging; D009682:Magnetic Resonance Spectroscopy; D012106:Research
chemical_list: D006859:Hydrogen
keywords: CHEMISTRY, ANALYTICAL; EXPERIMENTAL LAB STUDY; HYDROGEN