Berrocal-Sánchez, Carlos, et al. “Use of the Subacromial Balloon in Irreparable Massive Rotator Cuff Tears”. Anales De La Facultad De Medicina, vol. 84, no. 3, Sept. 2023, pp. 338-43, https://doi.org/10.15381/anales.v84i3.24448.