Preoperative Magnetic Resonance Imaging Cross-Sectional Area for the Measurement of Hamstring Autograft Diameter for Reconstruction of the Adolescent Anterior Cruciate Ligament - Bickel, Brent A.; Fowler, T. Ty; Mowbray, John G.; Adler, Brent; Klingele, Kevin; Phillips, Gary (Arthroscopy: The Journal of Arthroscopy & Related Surgery, 2008)