RT Journal Article SR Electronic T1 VITAMIN C AND DIPHTHERIA TOXIN JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 468 OP 473 VO 59 IS 4 A1 ALEX SIGAL A1 C. G. KING YR 1937 UL http://jpet.aspetjournals.org/content/59/4/468.abstract AB