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Katzman WB, Parimi N, Gladin A, Poltavskiy EA, Schafer AL, Long RK, Fan B, Wong SS, Lane NE.Katzman WB, et al.BMC Musculoskelet Disord. 2017 Dec 4;18(1):509. doi: 10.1186/s12891-017-1862-0.BMC Musculoskelet Disord. 2017.PMID: 29202732Free PMC article.Clinical Trial.
Nardo L, Lane NE, Parimi N, Cawthon PM, Fan B, Shepherd J, Cauley J, Zucker-Levin A, Murphy RA, Katzman WB.Nardo L, et al. Among authors: katzman wb.Spine (Phila Pa 1976). 2014 Nov 15;39(24):E1418-24. doi: 10.1097/BRS.0000000000000615.Spine (Phila Pa 1976). 2014.PMID: 25387143Free PMC article.