Gruber, H., Paul, V., Guertler, P., Spiekers, H., Tichopad, A., Meyer, H. H. D., Muller M. Fate of Cry1Ab Protein in Agricultural Systems under Slurry Management of Cows Fed Genetically Modified Maize (Zea mays L.) MON810: A Quantitative Assessment. J Agric Food Chem 2011.