Early Duplex Surveillance Following Deep Venous Stenting for the Treatment of Post- Thrombotic Syndrome can Predict Patients at Greatest Risk for Re-intervention. (December 2018) - Gwozdz, Adam; Saha, Prakash; Silickas, Justinas; Kahn, Taha; Jones, Leonardo; Stephenson, Lawrence; Pouncey, Anna; Johnson, Oscar; Patel, Ash; Padayachee, Soundrie; Smith, Alberto; Black, Stephen