Daghiani, M., Negahban, H., Ebrahimzadeh, M. H., Moradi, A., Kachooei, A. R., Raeesi, J., Divandari, A. The effectiveness of comprehensive physiotherapy compared with corticosteroid injection on pain, disability, treatment effectiveness, and quality of life in patients with subacromial pain syndrome: a parallel, single-blind, randomized controlled trial. Physiotherapy Theory & Practice 2023; 8: 1591-1605