We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCommentary: facing the challenge of gene-environment interaction: the two-by-four table and beyond.AuthorsBotto LD; Khoury MJPublicationAmerican journal of epidemiology, 2001, Vol 153, Issue 10, p1016ISSN0002-9262Publication typearticleDOI10.1093/aje/153.10.1016