1. Assessment of anticoagulant treatment of venous thromboembolism;Coon, W.W.; Willis, P.W.; Symous, M.J.;Am Surg
2. Pulmonary embolism: a clinical and pathological study with emphasis on the effects of prophylactic therapy with anticoagulants. Am IS7toic 1961; 102;Hermann, R.E.; Davis, J.W.; Holden, W.D.
3. Unpublished data quoted in: Sassahara AA, Saneblick EH, Lesch M. Pulmonarv emboli;Alpert, J.S.; Dalen, J.E.,1975
4. Natural history of pulmonary embolism;Dalen, J.E.; Alpert, J.W.;Prog Cardiovasc Dis,1975
5. Massive acute pulmonary embolism. 'T'he deceivingly non-specific manifestations;Wenger, N.K.; laD, Stein; Willis, P.W.,1972