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12by Young-Shoek Ahn, Jong-Seob Shin, Pil-Ho Park, Eun-Kwang Park, Jeong-Sook LeeGet full text
Published 1993-12-01
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19by Dong-Hyo Son, Jeong-Ho Joh, Jong-Uk Park, Hyung-Chul Lim, Pil-Ho Park, Kyu-Hong ChoiGet full text
Published 2004-06-01
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