TY - JOUR AU - Pennal, George F. AU - Conn, Garson S. AU - McDonald, Glen AU - Dale, Gordon AU - Garside, Henry DO - doi:10.1302/0301-620X.54B3.442 UR - https://doi.org/10.1302/0301-620X.54B3.442 TI - MOTION STUDIES OF THE LUMBAR SPINE T2 - The Journal of Bone & Joint Surgery British Volume VL - 54-B IS - 3 PY - 1972 SP - 442 EP - 452 ER -