1. The Barford test—a useful diagnostic sign in fractures of femoral neck;Bache;Practitioner,1984
2. A new mode of ascertaining the dimensions, form and condition of internal organs;Cammam;NY Q. J. Med. Surg.,1840
3. A reliable sign of fractures of hip or pelvis;Carter;New Engl. J. Med.,1981
4. Auscultation as important aid to the diagnosis of fractures;Colwell;Surg. Gynecol. Obstet.,1958
5. The diagnosis of fractures of hip and femur by auscultatory percussion;Peltier;Clin. Orthop.,1977