title: The application of nuclear magnetic resonance to the study of epithelial tissues.
mesh_terms: D000818:Animals; D002025:Bufonidae; D004848:Epithelium / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007668:Kidney / Q000378:metabolism*; D007684:Kidney Tubules / Q000378:metabolism; D009682:Magnetic Resonance Spectroscopy / Q000295:instrumentation / Q000379:methods; D011898:Ranidae; D051381:Rats; D012867:Skin / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*
chemical_list: D012964:Sodium