Effects of Liver Fractions on Myocardial Contractility
Tyramine was crystallized and identified as one of the cardioactive materials in liver extract. Of many other compounds tested on the isolated papillary muscle of the cat, only methionine, ethionine, serotonin, heparin, testosterone, Menadione, and Dicoumarol showed activity.
- Received July 8, 1957.
- © 1957 American Heart Association, Inc.