Distal Femur (Thighbone) Fractures of the Knee - OrthoInfo - AAOS
Knee - Wikipedia
Knee Joint - Anatomy Pictures and Information
Impact of intraoperative adjustment method for increased flexion gap on knee kinematics after posterior cruciate ligament-sacrificing total knee arthroplasty - Clinical Biomechanics
Symptoms of an Acute Patellar Injury
Does It Feel Like Something's Floating in Your Knee Joint? It Could Be Articular Cartilage : Steven E. Nolan, M.D.: Orthopedic Surgeon