Young Ho Choi, Jin Young Jeong, Kyoung Seob Kwak, Sung Hyun Kang, Soong Nang Jang, Yong Jun Choi, Yoo Sun Moon, Yun Ki Kim, Hyuk Sung Kwon, Kyung Soon Hong, Moon Gi Choi, Hai Rim Shin, Dong Hyun Kim
Korean J Fam Med. 2006;27(3):190-200. Published online March 10, 2006