Unexpected common occurrence of transferable extended spectrum cephalosporinase-producing Escherichia coli in Swedish surface waters used for drinking water supply

Science of The Total Environment, Volumes 587–588, 1 June 2017, Pages 466–472

Maria Egervärn, Stina Englund, Marianne Ljunge, Christer Wiberg, Maria Finn, Mats Lindblad, Stefan Börjesson

http://www.sciencedirect.com/science/article/pii/S0048969717304060