McGinty, D A PLASMA PROTHROMBIN CONCENTRATION IN DOGS GIVEN 3,3'-METHYLENEBIS(4- HYDROXYCOUMARIN) AND PURIFIED BEEF PROTHROMBIN. [electronic resource] - Science (New York, N.Y.) Dec 1942 - 540 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.96.2502.540 doi