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Kramer DE, Chang TL, Miller NH, Sponseller PD.Kramer DE, et al. Among authors: chang tl.Orthopedics. 2008 May;31(5):501. doi: 10.3928/01477447-20080501-14.Orthopedics. 2008.PMID: 19292302
Chang TL, Sponseller PD, Kebaish KM, Fishman EK.Chang TL, et al.Spine (Phila Pa 1976). 2009 Mar 1;34(5):436-40. doi: 10.1097/BRS.0b013e318194128c.Spine (Phila Pa 1976). 2009.PMID: 19247163
Chang TL, Kuo HC.Chang TL, et al.Tzu Chi Med J. 2024 May 27;36(4):370-376. doi: 10.4103/tcmj.tcmj_53_24. eCollection 2024 Oct-Dec.Tzu Chi Med J. 2024.PMID: 39421492Free PMC article.Review.