RT Journal Article SR Electronic T1 COMMENTS ON THE CLOTTING EFFICIENCY OF THROMBOPLASTIC AGENTS JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 167 OP 168 VO 15 IS 2 A1 FREDERIC FENGER YR 1920 UL http://jpet.aspetjournals.org/content/15/2/167.abstract AB