title: Reply to Comments pertaining to "Differences in bone mineral density of fixation points between lumbar cortical and traditional pedicle screws."
authors.affiliation: Department of Orthopaedic Surgery, Harbor-UCLA Medical Center, 1000 West Carson St, 4th Floor Box 422, Torrance, CA 90509, USA.
authors.forename: Harry T
authors.initials: HT
authors.lastname: Mai
authors.affiliation: Department of Orthopaedic Surgery, Harbor-UCLA Medical Center, 1000 West Carson St, 4th Floor Box 422, Torrance, CA 90509, USA.
authors.forename: Wellington K
authors.initials: WK
authors.lastname: Hsu
mesh_terms: D001696:Biomechanical Phenomena; D015519:Bone Density; D006801:Humans; D008159:Lumbar Vertebrae / Q000601:surgery; D008161:Lumbosacral Region; D065289:Pedicle Screws; D013123:Spinal Fusion