TY - JOUR AU - Herring, JA AU - Lundeen, MA AU - Wenger, DR DO - doi:10.1302/0301-620X.62B1.7351431 UR - https://doi.org/10.1302/0301-620X.62B1.7351431 TI - Minimal Perthes' disease T2 - The Journal of Bone & Joint Surgery British Volume VL - 62-B IS - 1 PY - 1980 SP - 25 EP - 30 ER -