Previous Issue   Volume 23(2); Jun 1990
Cheol In Rhyu, Don Kyoun Kim
Korean J Prev Med. 1990;23(2):167-177.
In Kyung Hwang, Don Kyoun Kim
Korean J Prev Med. 1990;23(2):178-184.
Byoung Yik Kim, Youngjo Lee, Dal Sun Han
Korean J Prev Med. 1990;23(2):185-193.
Jaecheol Song, Hung Bae Park
Korean J Prev Med. 1990;23(2):194-200.
Byung Hae Kim, Yong Sik Kim, Jin Su Choi
Korean J Prev Med. 1990;23(2):201-206.
Yong Sik Kim, Won Moon Oh, Hyung Cheol Park, Jin Su Choi, In Hyun Song
Korean J Prev Med. 1990;23(2):207-215.
Sang Hyuk Jung, Seung Hum Yu, Han Joong Kim
Korean J Prev Med. 1990;23(2):216-223.