Sclerotherapy of varicose veins with an improved "air-block" technique.
D000388:Air; D005500:Follow-Up Studies; D006801:Humans; D007275:Injections, Intravenous; D012597:Sclerosing Solutions / Q000627:therapeutic use*; D014648:Varicose Veins / Q000188:drug therapy* / Q000601:surgery
D012597:Sclerosing Solutions