TY - JOUR AU - Harms, J. DO - doi:10.1302/0301-620X.86BSUPP_III.0860212b UR - https://doi.org/10.1302/0301-620X.86BSUPP_III.0860212b TI - S2092 REASONS OF NON-UNIONS IN LUMBAR FUSION: BIOMECHANICAL AND BIOLOGICAL CONSIDERATIONS – T2 - Orthopaedic Proceedings VL - 86-B IS - SUPP_III PY - 2004 SP - 212 EP - 212 ER -