Choi, JY[Choi, Jun Yong]; Cheong, HJ[Cheong, Hee-Jin]; Chun, BC[Chun, Byung Chul]; Park, HK[Park, Hye Kyung]; Lee, HS[Lee, Han Sung]; Lee, H[Lee, Hagyung]; Il Kim, S[Il Kim, Sang]; Kim, MJ[Kim, Min Ja]; Kim, SS[Kim, Sung Soo]; Chang, HH[Chang, Hyun-Ha], et al.
ArticleIssue Date2009CitationPUBLIC HEALTH REPORTS, v.124, no.6, pp.883 - 888PublisherASSOC SCHOOLS PUBLIC HEALTH