WALKER, Nikolaus; MELZER, Christian; WIRTH, Carl Joachim. Shoulder surgery for rotator cuff tears: Ultrasonographic 3-year follow-up of 97 cases. Acta Orthopaedica, [S. l.], v. 62, n. 2, p. 142–147, 1991. DOI: 10.3109/17453679108999243. Disponível em: https://actaorthop.org/actao/article/view/22187. Acesso em: 3 may. 2026.