Lessons Learned from a Decade of Investigations of Shiga Toxin–Producing Escherichia coli Outbreaks Linked to Leafy Greens, United States and Canada oleh Katherine E. Marshall, April Hexemer, Sharon L. Seelman, Marianne K. Fatica, Tyann Blessington, Maha Hajmeer, Hannah Kisselburgh, Robin Atkinson, Kristin Hill, Davendra Sharma, Michael Needham, Vi Peralta, Jeffrey Higa, Karen Blickenstaff, Ian T. Williams, Michael A. Jhung, Matthew Wise, Laura Gieraltowski