Y.S.LEE, M-S. CHOO, J.S.PAICK, S.W.HAN, J.K.LEE, Y.I.PARK, C.H.PARK, M.S.SHIN, Y.G.NA, D.Y.KIM, H.J.KIM, W.H.PARK
Department of Urology, Sungkyunkwan University, Ulsan university, Seoul National university, Yonsei University, Korea University, Chunnam Nat