RT Journal Article SR Electronic T1 Carboxyphosphamide: NMR studies of its stability and cell membrane permeability. JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics SP 337 OP 338 VO 20 IS 2 A1 S M Ludeman A1 C K Ho A1 J H Boal A1 E M Sweet A1 Y H Chang YR 1992 UL http://dmd.aspetjournals.org/content/20/2/337.abstract AB