TY - JOUR AU - Jakob, RP AU - Staubli, HU AU - Deland, JT DO - doi:10.1302/0301-620X.69B2.3818763 UR - https://doi.org/10.1302/0301-620X.69B2.3818763 TI - Grading the pivot shift. Objective tests with implications for treatment T2 - The Journal of Bone & Joint Surgery British Volume VL - 69-B IS - 2 PY - 1987 SP - 294 EP - 299 ER -