Rapid Emergence of Ciprofloxacin-Resistant Enterobacteriaceae Containing Multiple Gentamicin Resistance-Associated Integrons, the Netherlands oleh Alex van Belkum, Wil Goessens, Cindy van der Schee, Nicole Lemmens-den Toom, Margreet C. Vos, Jan Cornelissen, Elly Lugtenburg, Siem de Marie, Henri Verbrugh, Bob Löwenberg, Hubert Endtz