RT Journal Article SR Electronic T1 Total radioactivity half-lives. JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics SP 350 OP 350 VO 7 IS 5 A1 A B Jansen YR 1979 UL http://dmd.aspetjournals.org/content/7/5/350.abstract AB