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Ha Y, Oh JK, Smith JS, Ailon T, Fehlings MG, Shaffrey CI, Ames CP.Ha Y, et al.Neurosurgery. 2015 Oct;77 Suppl 4:S173-85. doi: 10.1227/NEU.0000000000000940.Neurosurgery. 2015.PMID: 26378355Review.
Yoon DH, Ha Y, Park YG, Chang JW.Yoon DH, et al. Among authors: ha y.J Neurosurg. 2003 Jul;99(1 Suppl):39-43. doi: 10.3171/spi.2003.99.1.0039.J Neurosurg. 2003.PMID: 12859057Free article.Clinical Trial.
Oh JK, Shin HC, Kim TY, Choi GH, Ji GY, Yi S, Ha Y, Kim KN, Yoon DH.Oh JK, et al. Among authors: ha y.Spine (Phila Pa 1976). 2011 Nov 15;36(24):E1578-80. doi: 10.1097/BRS.0b013e318213c41e.Spine (Phila Pa 1976). 2011.PMID: 21336238
Choi GH, Kim KN, Lee S, Ji GY, Oh JK, Kim TY, Yoon DH, Ha Y, Yi S, Shin H.Choi GH, et al. Among authors: ha y.Acta Neurochir (Wien). 2011 Aug;153(8):1677-84; discussion 1685. doi: 10.1007/s00701-011-1016-3. Epub 2011 Jul 2.Acta Neurochir (Wien). 2011.PMID: 21720938
Oh JK, Lee DY, Kim TY, Yi S, Ha Y, Kim KN, Shin H, Kim DS, Yoon DH.Oh JK, et al. Among authors: ha y.Acta Neurochir (Wien). 2012 Feb;154(2):341-8; discussion 348. doi: 10.1007/s00701-011-1110-6. Epub 2011 Aug 13.Acta Neurochir (Wien). 2012.PMID: 21842210
Kim TY, Kang KT, Yoon DH, Shin HC, Kim KN, Yi S, Chun HJ, Oh JK, Choi GH, Lee K 2nd, Ha Y.Kim TY, et al. Among authors: ha y.Spine (Phila Pa 1976). 2012 Aug 1;37(17):1456-62. doi: 10.1097/BRS.0b013e31824da81d.Spine (Phila Pa 1976). 2012.PMID: 22333957
Oh JK, Kim TY, Lee HS, You NK, Choi GH, Yi S, Ha Y, Kim KN, Yoon DH, Shin HC.Oh JK, et al. Among authors: ha y.J Spinal Disord Tech. 2013 Dec;26(8):415-20. doi: 10.1097/BSD.0b013e31824c7d22.J Spinal Disord Tech. 2013.PMID: 22367466
Choi GH, Oh JK, Kim TY, You NK, Lee HS, Yoon DH, Ha Y, Yi S, Kim DS, Choi JU, Kim KN.Choi GH, et al. Among authors: ha y.Childs Nerv Syst. 2012 Jun;28(6):897-904. doi: 10.1007/s00381-012-1718-8. Epub 2012 Mar 25.Childs Nerv Syst. 2012.PMID: 22447490
Kim TY, Yoon DH, Shin HC, Kim KN, Yi S, Oh JK, Ha Y.Kim TY, et al. Among authors: ha y.Yonsei Med J. 2012 Nov 1;53(6):1073-80. doi: 10.3349/ymj.2012.53.6.1073.Yonsei Med J. 2012.PMID: 23074104Free PMC article.
Oh JK, Yang MS, Yoon DH, Rha KH, Kim KN, Yi S, Ha Y.Oh JK, et al. Among authors: ha y.J Spinal Disord Tech. 2014 Jun;27(4):E151-4. doi: 10.1097/BSD.0b013e318299c5fd.J Spinal Disord Tech. 2014.PMID: 23698108