RT Journal Article SR Electronic T1 SIGNIFICANCE OF THE COMPETENCE INDEX IN THE MEASUREMENT OF MYOCARDIAL CONTRACTILITY JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 199 OP 205 VO 115 IS 2 A1 Price, Henry L. A1 Helrich, Martin YR 1955 UL http://jpet.aspetjournals.org/content/115/2/199.abstract AB