scientific article published on 26 July 2015
author: Pyoeng Gyun Choe, Nak-Hyun Kim, Sang Won Park, Kyoung-Ho Song, Hong Bin Kim, Myoung-don Oh, Nam Joong Kim, Wan Beom Park, Moonsuk Kim, Chung Jong Kim, Eu Suk Kim, Ji Hwan Bang
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