Incidence rates, clinical profile, and outcomes of patients with venous thromboembolism. The Worcester VTE study.
Spencer FA, Emery C, Joffe SW, Pacifico L, Lessard D, Reed G, Gore JM, Goldberg RJ. Incidence rates, clinical profile, and outcomes of patients with venous thromboembolism. The Worcester VTE study. J Thromb Thrombolysis. 2009 Nov; 28(4):401-9.