1. The varicose disease;Barber;New York State Journal of Medicine,1925
2. The postphlebitic syndrome: management by surgical means;Barker,1978
3. The etiology of leg ulcers and their treatment by resection of the popliteal vein;Bauer;Journal of International Chirurgica,1948
4. Circulation patterns in incompetent perforating veins in the calf and in the saphenous system in primary varicose veins;Bjordal;Acta Chirurgica Scandinavica,1972
5. Circulation patterns in the saphenous system and the perforating veins of the calf in patients with previous deep vein thrombosis;Bjordal;Vasa supplementum,1974