1. Analysis of the American Society of Anesthesiologists Physical Status Classification System and Caprini Risk Assessment Model in Predicting Venous Thromboembolic Outcomes in Plastic Surgery Patients
2. Sensitivity and Specificity. http://www.med.emory.edu/EMAC/curriculum/diagnosis/sensand.htm . Accessed December 26, 2015.
3. Swanson E , Pannucci C . VTE prophylaxis and body contouring: What is the Evidence? Presented at Plastic Surgery 2015: 84th Annual Scientific Meeting of the American Society of Plastic Surgeons, October 16-20, Boston, Mass.
4. Ultrasound Screening for Deep Venous Thrombosis Detection
5. American Society of Anesthesiologists - ASA Physical Status Classification System. https://www.asahq.org/resources/clinical-information/asa-physical-status-classification-system . Accessed December 26, 2015.