Endovenous radiofrequency obliteration combined with sclerotherapy in patients with primary varicose veins of the lower extremity caused by non-simple great saphenous vein valve dysfunction
FENG Qi-chen, LI Xuan, WANG Chang-ming, GAI Shuo
JOURNAL OF CHINA MEDICAL IMAGING . 2020, (8): 546 -550 .  DOI: 10.12117/jccmi.2020.08.005