TY - JOUR AU - Roberts, Norman DO - doi:10.1302/0301-620X.39B2.219 UR - https://doi.org/10.1302/0301-620X.39B2.219 TI - OSTEOCHONDRITIS DISSECANS T2 - The Journal of Bone & Joint Surgery British Volume VL - 39-B IS - 2 PY - 1957 SP - 219 EP - 220 ER -