Engebretsen, K., Grotle, M., Bautz-Holter, E., Sandvik, L., Juel, N. G., Ekeberg, O. M., & Brox, J. I. (2009). Radial extracorporeal shockwave treatment compared with supervised exercises in patients with subacromial pain syndrome: Single blind randomised study. BMJ Publishing Group Ltd.

Engebretsen, Kaia, Margreth Grotle, Erik Bautz-Holter, Leiv Sandvik, Niels G. Juel, Ole Marius Ekeberg, and Jens Ivar Brox. Radial Extracorporeal Shockwave Treatment Compared With Supervised Exercises in Patients With Subacromial Pain Syndrome: Single Blind Randomised Study. BMJ Publishing Group Ltd, 2009.

Engebretsen, Kaia, et al. Radial Extracorporeal Shockwave Treatment Compared With Supervised Exercises in Patients With Subacromial Pain Syndrome: Single Blind Randomised Study. BMJ Publishing Group Ltd, 2009.