Blomquist, J., Solheim, E., Liavaag, S., Schroder, C. P., Espehaug, B. and Havelin, L. I. (2012) “Shoulder instability surgery in Norway”, Acta Orthopaedica, 83(2), pp. 165–170. doi: 10.3109/17453674.2011.641102.