Skou, Søren T, Christina A Derosche, Mikkel M Andersen, Michael S Rathleff, and Ole Simonsen. 2015. “Nonoperative Treatment Improves Pain Irrespective of Radiographic Severity”. Acta Orthopaedica 86 (5):599-604. https://doi.org/10.3109/17453674.2015.1029392.