Definition of post-thrombotic syndrome of the leg for use in clinical investigations: a recommendation for standardization - Kahn, S R; Partsch, H; Vedantham, S; Prandoni, P; Kearon, C (J Thromb Haemost, 2009)
; Subcommittee on Control of Anticoagulation of the Scientific and Standardization Committee of the International Society on Thrombosis and Haemostasis.