Antimicrobial Drug Resistance in Escherichia coli from Humans and Food Animals, United States, 1950–2002
Daniel A. Tadesse, Shaohua Zhao, Emily Tong, Sherry Ayers, Aparna Singh, Mary J. Bartholomew, and Patrick F. McDermott
Author affiliations: Food and Drug Administration, Laurel, Maryland, USA (D.A. Tadesse, S. Zhao, E. Tong, S. Ayers, A. Singh, P.F. McDermott); Food and Drug Administration, Rockville, Maryland, USA (M.J. Bartholomew)
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