Eom, Sang-Yong; Lee, Chul-Ho; Park, Chung-Hee; Kim, Yun-Sik; Moon, Sun-In; Kim, Jung-Hyun; Yim, Dong-Hyuk; Kim, Yong-Dae; Kang, Jong-Won; Choi, Byung-Sun, et al.
ArticleIssue Date2011CitationEPIDEMIOLOGY, v.22, no.1, pp S73 - S74PublisherLIPPINCOTT WILLIAMS & WILKINS