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Blaak, Hetty, Gretta Lynch, Ronald Italiaander, Raditijo A. Hamidjaja, Franciska M. Schets, and Ana Maria de Roda Husman. "Multidrug-Resistant and Extended Spectrum Beta-Lactamase-Producing Escherichia Coli in Dutch Surface Water and Wastewater." PLoS One 2015.

Blaak, Hetty, et al. "Multidrug-Resistant and Extended Spectrum Beta-Lactamase-Producing Escherichia Coli in Dutch Surface Water and Wastewater." PLoS One 2015.