“Duplex Ultrasound, Clinical Score, and D-Dimer to Rule in and Out Deep Venous Thrombosis (DVT) and Postthrombotic Syndrome (PTS): Bridging the Gap Between DVT and PTS in the Primary Care and Hospital Setting”. Global Journal of Medical Research, vol. 14, no. D4, Oct. 2014, pp. 29-46, https://medicalresearchjournal.org/index.php/GJMR/article/view/773.