Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFrom epidemiological association to causation.AuthorsRichard Wakeford; Damien McElvennyPublicationOccupational Medicine, 2007, Vol 57, Issue 7, p464ISSN0962-7480Publication typeArticleDOI10.1093/occmed/kqm088