Bhattacharya, R The knee skyline radiograph: its usefulness in the diagnosis of patello-femoral osteoarthritis. [electronic resource] - International orthopaedics Apr 2007 - 247-52 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0341-2695 Standard No.: 10.1007/s00264-006-0167-y doi Subjects--Topical Terms: HumansOsteoarthritis, Knee--diagnostic imagingPatellofemoral Pain Syndrome--diagnostic imagingRadiography--classificationSensitivity and Specificity