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2. The use of heparin in thrombosis;Murray;Ann Surg,1938
3. Shelter deaths from pulmonary embolism;Simpson;Lancet,1940
4. On the specific treatment of thrombosis and pulmonary embolism with anticoagulants, with particular reference to the post-thrombotic sequelae;Zilliacus;Acta Med Scand,1946
5. Vijay Kakkar;Anonymous;BMJ,2017