Arthroscopic Matrix Augmentation of Partial-Thickness Rotator Cuff Tear Repairs Using a Full-Thickness Human Perinatal Tissue Allograft0 views•2026•MedicineStephan G. Pill1, Jeremy J. Mercuri2Stephan G. Pill1Jeremy J. Mercuri21Steadman Hawkins Clinic of the Carolinas, 2Samaritan BiologicsSteadman Hawkins Clinic of the CarolinasSamaritan Biologics