1. As quoted in Hobbs, “The management of varicose veins;Linser;Phlebologie,1916
2. As quoted in Hobbs, “The management of varicose veins;Sicard;Phlebologie,1917
3. Indications et résultats de la méthode sclérosante dans le traitement des varices;Tournay;Bull Med Paris,1931
4. Continuous compression technique of injection of varicose veins;Fegan;Lancet,1963