The full report is titled “Superficial Venous Thrombosis and Venous Thromboembolism. A Large, Prospective Epidemiologic Study” It is in the 16 February 2010 issue of Annals of Internal Medicine (volume 152, pages 218-224). The authors are H. Decousus, I. Quéré, E. Presles, F. Becker, M.T. Barrellier, M. Chanut, J.L. Gillet, H. Guenneguez, C. Leandri, P. Mismetti, O. Pichot, and A. Leizorovicz, for the POST (Prospective Observational Superficial Thrombophlebitis) Study Group.