Eom, Sang-Yong; Kim, Yun-Sik; Moon, Sun-In; Yim, Dong-hyuk; Park, Jung Duck; Choi, Byung Sun; Kim, Dae-Sun; Yu, Seung-Do; Park, Choong-Hee; Lee, Chul-Ho
ArticleIssue Date2011CitationEPIDEMIOLOGY, v.22, no.1, pp S232 - S232PublisherLIPPINCOTT WILLIAMS & WILKINS