Artículo original: Hewavithana PB, Wettasinghe MC, Hettiarachchi G, Ratnayaka M, Suraweera H, Wickramasinghe ND, et al. Effectiveness of single intra-bursal injection of platelet-rich plasma against corticosteroid under ultrasonography guidance for shoulder impingement syndrome: a randomized clinical trial. Skeletal Radiol 2024;53:51–8…