title: Pedicle-screw placement.
authors.forename: P G
authors.initials: PG
authors.lastname: Perkins
mesh_terms: D001863:Bone Screws / Q000009:adverse effects*; D006801:Humans; D007431:Intraoperative Complications / Q000209:etiology*; D011183:Postoperative Complications / Q000209:etiology