1. A preparation from spoiled sweet clover which prolongs coagulation and prothrombin time of the blood; a clinical study;Allen;J. A. M. A.,1942
2. The use of dicumarol in the prevention of postoperative thrombophlebitis and pulmonary embolism;Barker,1943
3. The use of dicumarol in surgery;Barker;Minnesota Med.,1944
4. Application of dicumarin in trauma and gangrene;Brambel;Arch. Surg.,1944
5. Hemorrhage and purpura caused by dicumarin;Cohan;New England J. Med.,1943