title: Single- versus double-bundle posterior cruciate ligament reconstruction: effects of femoral tunnel separation.
authors.affiliation: Biomechanics Research Section, Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA. kmarkolf@mednet.ucla.edu
authors.forename: Keith L
authors.initials: KL
authors.lastname: Markolf
authors.forename: Steven R
authors.initials: SR
authors.lastname: Jackson
authors.forename: David R
authors.initials: DR
authors.lastname: McAllister