We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEpidemiology. The epidemiologist's dream: Denmark.AuthorsFrank, LonePublicationScience (New York, N.Y.), 2003, Vol 301, Issue 5630, p163ISSN1095-9203Publication typePeriodicalDOI10.1126/science.301.5630.163