Jun-Eul Hwang, Sang-Hee Cho, Ok-Ki Kim, Hyun-Jeong Shim, Se-Ryeon Lee, Jae-Sook Ahn, Duk-Hwan Yang, Yeo-Kyeoung Kim, Je-Jung Lee, Hyeoung-Joon Kim, Ik-Joo Chung

J Korean Med Sci.2008;23(3):544-547.   Published online 2008 June 20     DOI: http://dx.doi.org/10.3346/jkms.2008.23.3.544