title: Higher costs with spinal 'fusion helpers'.
authors.affiliation: Mendenhall Associates, Ann Arbor, Mich, USA.
authors.forename: Stan
authors.initials: S
authors.lastname: Mendenhall
mesh_terms: D019485:Bone Morphogenetic Proteins / Q000191:economics*; D006801:Humans; D013123:Spinal Fusion / Q000191:economics; D014481:United States
chemical_list: D019485:Bone Morphogenetic Proteins