Kim BJ, Jang W, Kim M, Youn Y
Youn Y, Lee SW, Cho HH, Park S, Chung HS, Seo JW
Kim KH, Kim D, Youn Y, Lee J, Kim HS
Moon J, Noh S, Youn Y, Kim Y, Kang E, Choo J
Youn Y, Sung IK, Lee IG
Lee JH, Youn Y, Chang YS, Korean Neonatal Network
Youn Y, Shin S, Jeong KH, Lee E
Youn Y, Lee SM, Hwang JH, Cho SJ, Kim EK, Kim EA, Korean Neonatal Network