title: Halo-pelvic traction: a means of correcting  severe spinal deformities.
authors.forename: Louis C S
authors.initials: LC
authors.lastname: Hsu
mesh_terms: D049673:History, 20th Century; D006801:Humans; D012720:Severity of Illness Index; D013122:Spinal Diseases / Q000473:pathology / Q000628:therapy*; D013131:Spine / Q000002:abnormalities*; D014143:Traction / Q000266:history / Q000379:methods*