Affiliation: | (1) Korean Polyposis Registry, Laboratory of Cell Biology, Cancer Research Institute and Cancer Research Center, Seoul National University College of Medicine, 28, Yongon-dong, Chongno-gu, Seoul, 110-744, Korea Tel. +82-2-7603380; Fax +82-2-7424727 e-mail: jgpark@plaza.snu.ac.kr, KR |