title: BMP use up sharply, but outcomes not improved.
mesh_terms: D019485:Bone Morphogenetic Proteins / Q000627:therapeutic use*; D006801:Humans; D017063:Outcome Assessment, Health Care; D012086:Reoperation / Q000706:statistics & numerical data; D013123:Spinal Fusion
chemical_list: D019485:Bone Morphogenetic Proteins