Tuğçe PASİN, et al. “Comparison of the Effectiveness of Platelet-Rich Plasma, Corticosteroid, and Physical Therapy in Subacromial Impingement Syndrome”. Archives of Rheumatology, vol. 34, no. 3, Sept. 2019, pp. 308-16, doi:10.5606/ArchRheumatol.2019.7225.