Kyeong-Eon Park, Ju-Tae Sohn, Young Seok Jeong, Hui-Jin Sung, Il-Woo Shin, Heon-Keun Lee, Young-Kyun Chung

Yonsei Med J.2009;50(3):414-421.   Published online 2009 June 24     DOI: http://dx.doi.org/10.3349/ymj.2009.50.3.414