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Seo, Byong-Seol; Cho, Seung-Yull; Chai, Jong-Yil; Hong, Sung-Tae
Seoul J Med, Vol.21 No.1, pp. 30-38
Seo, Byong-Seol; Cho, Seung-Yull; Chai, Jong-Yil
Seoul J Med, Vol.21 No.1, pp. 21-29