title: Letter to the Editor: Platelet-rich plasma versus steroid injection for subacromial impingement syndrome.
authors: Department of Orthopedic Surgery and Traumatology, Haydarpasa Numune Education and Research Hospital, Istanbul, Turkey.
authors: T M
authors: TM
authors: Duymus
authors: L
authors: L
authors: Adiyeke
authors: S
authors: S
authors: Tuna
mesh_terms: D006801:Humans; D007270:Injections, Intra-Articular; D053657:Platelet-Rich Plasma; D016059:Range of Motion, Articular; D019534:Shoulder Impingement Syndrome