by Cho, Kyu Sang, Chung, Kyou Chull
Published in Kansai Ika Daigaku zasshi (1960)

by DONG-UK CHOI, SANG-KYU CHO, DAE-HO CHOO
Year of Publication 21.11.2008

by Lee, S H, Lee, B K, Lee, K M, Cho, K S, Inoue, O, Seiji, K, Ikeda, M
Published in Asia-Pacific journal of public health (1989)

by CHOI, DONG-UK, CHOO, DAE-HO, CHO, SANG-KYU
Year of Publication 01.11.2004