Choi, Ji Ho; Park, Young Hwan; Hong, Jung Hwa; Kim, Se Joong; Park, Dong Sun; Miyazaki, Soichiro; Lee, Seung Hoon; Shin, Chol; Lee, JungBok
ArticleIssue Date2009CitationSLEEP AND BIOLOGICAL RHYTHMS, v.7, no.3, pp.181 - 187PublisherSPRINGER LONDON LTD