Iyer, Sravisht Halo Gravity Traction Can Mitigate Preoperative Risk Factors and Early Surgical Complications in Complex Spine Deformity. [electronic resource] - Spine May 2019 - 629-636 p. digital Publication Type: Journal Article ISSN: 1528-1159 Standard No.: 10.1097/BRS.0000000000002906 doi Subjects--Topical Terms: GravitationHumansOsteotomy--adverse effectsPostoperative Complications--epidemiologyRetrospective StudiesRisk FactorsSpinal Curvatures--surgeryTractionTreatment Outcome