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2by 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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3
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4by Pil-Ho Park, Chun-Hwey Kim, Jong-Seob Shin, Jeong-Sook Lee, Kyu-Hong Choi, Jae-Woo ParkGet full text
Published 1991-06-01
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