TY - JOUR AU - Jackson, W. P.U. DO - doi:10.1302/0301-620X.33B3.420 UR - https://doi.org/10.1302/0301-620X.33B3.420 TI - AN IRREGULAR, FAMILIAL CHONDRO-OSSEOUS DEFECT T2 - The Journal of Bone & Joint Surgery British Volume VL - 33-B IS - 3 PY - 1951 SP - 420 EP - 429 ER -