Affiliation: | MRC Magnetic Resonance Spectroscopy, Oxford OX3 9DU, UK;Department of Pharmacology and Cell Biophysics University of Cincinnati College of Medicine, Cincinnati, OH 45267, U.S.A.;Gastroenterology and Nutrition Division Department of Medicine University of Texas Health Science Center, San Antonio, TX 78284, U.S.A.;P.O. Box 171044 Salt Lake City, UT 84117-1044, USA |