Citation: Dg. Wilson et Mj. Ulm, HOLDING POWER OF ORTHOPEDIC SCREWS IN BOVINE FEMORAL HEADS - A COMPARISON OF 7.0 MM CANNULATED SCREWS TO 5.5 MM CORTICAL AND 6.5 MM CANCELLOUS SCREWS, Veterinary and comparative orthopaedics and traumatology, 6(3), 1993, pp. 160-162