A Meta-Analysis of Effects of Bt Crops on Honey Bees (Hymenoptera: Apidae) Duan, Jian J. ; Marvier, Michelle ; Huesing, Joseph ; Dively, Galen ; Huang, Zachary Y. Abstract Publication: PLoS ONE Pub Date: January 2008 DOI: 10.1371/journal.pone.0001415 Bibcode: 2008PLoSO...3.1415D