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Yoon, Ok Ja; Son, Young Min; Hwang, Byeong-Ung; Sohn, Il-Yung; Lee, Nae-Eung
Yoon, Ok Ja; Jung, Chang Yong; Sohn, Il Yung; Son, Young Min; Hwang, Byeong-Ung; Kima, Il Jin; Lee, Nae-Eung