1. Heparin as a Prophylactic Agent Against Thrombosis;Crafoord;J.A.M.A.,1941
2. The Use of Heparin in Thrombosis;Murray;Ann. Surg,1938
3. Heparin in the Treatment of Thrombosis;Jorpes,1946
4. Anticoagulant Therapy;Barker,1946
5. A Ten Year Analysis of Thromboembolism and Dicumarol Prophylaxis;Kistner;Surg., Gynec. & Obst.,1954