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Zheng P, Kao MC, Karayannis NV, Smuck M.Zheng P, et al. Among authors: kao mc.Spine (Phila Pa 1976). 2017 May 1;42(9):670-674. doi: 10.1097/BRS.0000000000001875.Spine (Phila Pa 1976). 2017.PMID: 28441685Free PMC article.
Sharifzadeh Y, Kao MC, Sturgeon JA, Rico TJ, Mackey S, Darnall BD.Sharifzadeh Y, et al. Among authors: kao mc.Anesthesiology. 2017 Jul;127(1):136-146. doi: 10.1097/ALN.0000000000001656.Anesthesiology. 2017.PMID: 28614083Free PMC article.
Darnall BD, Ziadni MS, Roy A, Kao MC, Sturgeon JA, Cook KF, Lorig K, Burns JW, Mackey SC.Darnall BD, et al. Among authors: kao mc.Trials. 2018 Mar 6;19(1):165. doi: 10.1186/s13063-018-2537-3.Trials. 2018.PMID: 29510735Free PMC article.