We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleOn the estimation of additive interaction by use of the four-by-two table and beyond.AuthorsZou GYPublicationAmerican journal of epidemiology, 2008, Vol 168, Issue 2, p212ISSN1476-6256Publication typearticleDOI10.1093/aje/kwn104