TY - JOUR AU - Manning, C. W. DO - doi:10.1302/0301-620X.55B2.447 UR - https://doi.org/10.1302/0301-620X.55B2.447 TI - Spinal Dysraphism. Spina Bifida Occulta T2 - The Journal of Bone & Joint Surgery British Volume VL - 55-B IS - 2 PY - 1973 SP - 447 EP - 447 ER -