Yoo, Ji Won; Choi, Jong Bum; Kim, Sun Jung; Shin, Hyun P.; Kim, Kyudam; Ryu, Woo Sang; Min, Too Jae; Kim, Sulgi; Nakagawa, Shunichi
ArticleIssue Date2013CitationJOURNAL OF THE AMERICAN MEDICAL DIRECTORS ASSOCIATION, v.14, no.9PublisherELSEVIER SCIENCE INC