TY - JOUR AU - BERNSTEIN, J. DO - doi:10.1302/0301-620X.81B4.0810743 UR - https://doi.org/10.1302/0301-620X.81B4.0810743 TI - Open acromioplasty does not prevent the progression of an impingement syndrome to a tear T2 - The Journal of Bone & Joint Surgery British Volume VL - 81-B IS - 4 PY - 1999 SP - 743 EP - 743 ER -