Walsh, M. R., Nelson, B. J., Braman, J. P., Yonke, B., Obermeier, M., Raja, A., Reams, M. Platelet-rich plasma in fibrin matrix to augment rotator cuff repair: a prospective, single-blinded, randomized study with 2-year follow-up. Journal of Shoulder & Elbow Surgery 2018; 9: 1553-1563