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Cho JY, Kim HM, Ryu JY.Cho JY, et al. Among authors: ryu jy.J Korean Assoc Oral Maxillofac Surg. 2015 Feb;41(1):43-7. doi: 10.5125/jkaoms.2015.41.1.43. Epub 2015 Feb 24.J Korean Assoc Oral Maxillofac Surg. 2015.PMID: 25741468Free PMC article.
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Kim SY, Ryu JY, Cho JY, Kim HM.Kim SY, et al. Among authors: ryu jy.J Korean Assoc Oral Maxillofac Surg. 2014 Dec;40(6):297-300. doi: 10.5125/jkaoms.2014.40.6.297. Epub 2014 Dec 26.J Korean Assoc Oral Maxillofac Surg. 2014.PMID: 25551095Free PMC article.