title: Preoperative localization of the greater saphenous vein: use of the portable Doppler ultrasound flow detector.
mesh_terms: D004301:Doppler Effect; D006801:Humans; D007866:Leg / Q000033:anatomy & histology*; D012501:Saphenous Vein / Q000033:anatomy & histology* / Q000502:physiology / Q000637:transplantation; D014182:Transplantation, Autologous; D014463:Ultrasonography