1. Prospective randomized study of endovenous radiofrequency obliteration (closure procedure) versus ligation and stripping in a selected patient population (EVOLVeS Study)
2. Vein Treatment Forum, Procedure spotlight: radiofrequency ablation. https://www.veintreatmentforum.com/procedure-spotlight-radiofrequency-ablation/
3. San Francisco Vein Center - Melinda L Aquino MD, (2016), radiofrequency ablation - treatment of varicose veins. https://www.youtube.com/watch?v=vSE9YQLWVDY
4. Raetz, J., Wilson, M., Collins, K., (2019), Varicose veins: diagnosis and treatment, American family physician, 99(11), 682-688.
5. NECA (2023), Ultrasound-guided foam sclerotherapy (UGFS), NECA-R-22-001-24, https://www.neca.re.kr/lay1/program/S1T11C216/tech_report/view.do?seq=175