NIH http://www.nlm.nih.gov/medlineplus/ency/article/002432.htm http://www.nlm.nih.gov/medlineplus/ency/article/002432.htm National Library of Medicine Genetically Engineered Foods Genetically engineered foods. genetically engineered foods The U.S. National Library of Medicine National Library of Medicine genetically modified NIH NIH NIH National Library of Medicine http://www.nlm.nih.gov/medlineplus/ency/article/002432.htm Genetically engineered foods. NIH