Journal of Periodontal & Implant Science (2017) - Comment
pubmed: 29093986  doi: 10.5051/jpis.2017.47.5.273  issn: 2093-2278  issn: 2093-2286 

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Eun-Cheol Kim, Jaesuh Park, Il Keun Kwon, Suk-Won Lee, Su-Jung Park, Su-Jin Ahn