SpringerPlus (2014) - Comments
pubmed: 24808996  doi: 10.1186/2193-1801-3-182  issn: 2193-1801 

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Whan-Seok Choi, Sang-Wook Song, Sun-Myeong Ock, Chul-Min Kim, Jungbok Lee, Woo-Jin Chang, Se-Hong Kim