F-19 AND H-1 MAGNETIC-RESONANCE STRATEGIES FOR METABOLIC STUDIES ON FLUORINATED XENOBIOTICS - APPLICATION TO FLURBIPROFEN [2-(2-FLUORO-4-BIPHENYLYL)PROPIONIC ACID] - WADE, KE; WILSON, ID; TROKE, JA; NICHOLSON, JK (JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS, 1990)