TY - SER AU - Donahue, H. J AU - Hull, M. L. AU - Howell, Stephen M TI - Comparison of Viscoelastic,Structural, and Material Properties of Double-Looped Anterior Cruciate Ligament Grafts Made from Bovine Digital Extensor and Human Hamstring Tendons KW - Viscoelastic KW - Structural KW - Materials Properties ER -