by Bae, Sung-Man, Hyun, Myoung-Ho, Ra, Young-Sun
Published in Asia-Pacific psychiatry (01.06.2015)

by Ra, Young Sun, Cha, Sung Yi, Hyun, Myoung-Ho, Bae, Sung Man
Published in Social behavior and personality (01.07.2013)

by 노성훈, Sung Hoon Noh, 이종인, Chong In Lee, 정현철, Hyun Cheol Chung, 박준오, Joon Oh Park, 조재용, Jae Yong Cho, 라선영, Sun Young Ra, 유내춘, Nae Chun Yoo, 김주항, Joo Hang Kim, 노재경, Jae Kyung Roh, 민진식, Jin Sik Min, 김병수, Byung Soo Kim, 이기범, Kyi Beom Lee
Published in The Korean journal of gastroenterology (01.01.1996)

by 강진경, Jin Kyung Kang, 박인서, In Suh Park, 문영명, Young Myung Moon, 임대순, Dae Soon Yim, 김중영, Joong Young Kim, 함기백, Ki Baik Hahm, 라선영, Sun Young Ra, 최흥재, kHeung Jai Choi
Published in The Korean journal of gastroenterology (01.01.1993)

by Ra, Young-Sun, Shim, Kyung Woo
Year of Publication 01.12.2009

by Cho, S N, Choi, B W, Ra, S Y, Hong, Y K, Park, J S, Kim, S C, Kim, J D, Choe, K O
Published in Yonsei medical journal (01.06.2001)

by Ball, Katrina, Lee, Young-Hyun, Phan, Oanh, Ra, Young-Sun
Year of Publication 2001

by KWON OH-GYONG, RA YOUNG-SUN, KIM SEUL-SOO
Year of Publication 20.07.2005

by KWON OH-GYONG, RA YOUNG-SUN, KIM SEUL-SOO
Year of Publication 12.03.2003