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Khanna K, Sabharwal S.Khanna K, et al.Spine J. 2019 Nov;19(11):1858-1870. doi: 10.1016/j.spinee.2019.05.002. Epub 2019 May 15.Spine J. 2019.PMID: 31102727Review.
Khanna K, Yi PH, Sing DC, Geiger E, Metz LN.Khanna K, et al.Spine (Phila Pa 1976). 2018 Mar 15;43(6):454-460. doi: 10.1097/BRS.0000000000002436.Spine (Phila Pa 1976). 2018.PMID: 29016434