Kalamchi, A Halo-pelvic distraction apparatus. An analysis of one hundred and fifty consecutive patients. [electronic resource] - The Journal of bone and joint surgery. American volume Dec 1976 - 1119-25 p. digital Publication Type: Journal Article ISSN: 0021-9355 Subjects--Topical Terms: AdolescentAdultChildChild, PreschoolFemaleFollow-Up StudiesHumansKyphosis--surgeryMaleOrthopedic Fixation Devices--adverse effectsParaplegia--surgeryPostoperative ComplicationsRadiographyScoliosis--surgerySpinal Diseases--congenitalTuberculosis, Spinal--surgery