TY - JOUR AU - Bartelink, D. L. DO - doi:10.1302/0301-620X.39B4.718 UR - https://doi.org/10.1302/0301-620X.39B4.718 TI - THE ROLE OF ABDOMINAL PRESSURE IN RELIEVING THE PRESSURE ON THE LUMBAR INTERVERTEBRAL DISCS T2 - The Journal of Bone & Joint Surgery British Volume VL - 39-B IS - 4 PY - 1957 SP - 718 EP - 725 ER -