title: 31P Nuclear magnetic resonance measurement of cardiac pH in perfused guinea-pig hearts.
mesh_terms: D000818:Animals; D003331:Coronary Vessels / Q000502:physiology; D006168:Guinea Pigs; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D009206:Myocardium / Q000378:metabolism*; D009994:Osmolar Concentration; D010477:Perfusion; D010710:Phosphates / Q000032:analysis; D013696:Temperature
chemical_list: D010710:Phosphates