Jae Hwa Cho, Joung Taek Kim, Lucia Kim, Kyung Hee Lee, Jeong Seon Ryu, Seung Min Kwak, Hong Lyeol Lee

Yonsei Med J.2009;50(4):591-593.   Published online 2009 August 19     DOI: http://dx.doi.org/10.3349/ymj.2009.50.4.591