Suh, H.-W.; Kim, H.-O.; Kim, Y.S.; Sunwoo, S.; Lee, J.A.; Lee, H.-R.; Kim, B.; Kim, D.H.; Choi, Y.S.; Cheong, Y.S., et al.
ArticleIssue Date2012CitationKorean Journal of Family Medicine, v.33, no.6, pp.346 - 355PublisherKorean Journal of Family Medicine