title: 31P NMR studies of intracellular free Mg2+ in intact frog skeletal muscle.
mesh_terms: D000255:Adenosine Triphosphate / Q000032:analysis; D000818:Animals; D001001:Anura; D008274:Magnesium / Q000032:analysis*; D009682:Magnetic Resonance Spectroscopy; D009132:Muscles / Q000032:analysis*; D009218:Myosins / Q000032:analysis; D011894:Rana pipiens
chemical_list: D000255:Adenosine Triphosphate; D009218:Myosins; D008274:Magnesium