TY - JOUR AU - Szappanos, L AU - Szepesi, K AU - Thomazy, V DO - doi:10.1302/0301-620X.70B3.3372566 UR - https://doi.org/10.1302/0301-620X.70B3.3372566 TI - Spondylolysis in osteopetrosis T2 - The Journal of Bone & Joint Surgery British Volume VL - 70-B IS - 3 PY - 1988 SP - 428 EP - 430 ER -