HPLC-NMR identification of the human urinary metabolites of (-)-cis 5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl] cystosine, a nucleoside analogue active against human immunodeficiency virus (HIV) - Frick, L. W.; Shockcor, J. P.; Sweatman, B. C.; Lindon, J. C.; Wurm, R. M.; Farrant, R. D.; Sanderson, P. N. (Xenobiotica, 1996)