by 양옥승, 신화식, 이경옥, 황혜경, 김승옥
Published in Korean Journal of child studies (01.08.2004)

by 김명희(Myoung Hee Kim), 신화식(Hwa Sik Shin)
Published in Korean Journal of child studies (2001)

by 양옥승(Ok Seung Yang), 신화식(Hwa Sik Shin), 이경옥(Kyung Ok Lee), 황혜경(Hye Kyoung Hwang), 김승옥(Seung Ok Kim)
Published in Korean Journal of child studies (2004)

by 김명희, 신화식, 김지영, 김민선, Kim, Myung-Hee, Shin, Hwa-Sik, Kim, Ji-Young, Kim, Min-Sun
Published in Korean Journal of child studies (01.04.2005)

by 김지영(Ji Young Kim), 김민선(Min Sun Kim), 김명희(Myung Hee Kim), 신화식(Hwa Sik Shin)
Published in Korean Journal of child studies (2005)

by 조민구, Min Koo Cho, 강남영, Nam Yeong Kang, 신화식, Hwa Sig Shin, 김철우, Cheol Woo Kim, 정순영, Sun Young chung, 김소연, So Yon Kim, 김영중, Young Jung Kim, 박병익, Beong Yik Park, 강진국, Jin Kook Kang
Published in The Korean journal of gastroenterology (01.01.1988)