We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleYield Effects of Genetically Modified Crops in Developing Countries.AuthorsQaim, Matin; Zilberman, DavidPublicationScience, 2003, Vol 299, Issue 5608, p900ISSN0036-8075Publication typearticleDOI10.1126/science.1080609