Hajeong Lee, Hyun-Jeong Cho, Eunjin Bae, Yong Chul Kim, Suhnggwon Kim, Ho Jun Chin

J Korean Med Sci.2014;29(Suppl 2):S91-S96.   Published online 2014 September 30     DOI: http://dx.doi.org/10.3346/jkms.2014.29.S2.S91