%0 Journal Article %A Kronenberg, A %A Hilty, M %A Endimiani, A %A Mühlemann, K %T Temporal trends of extended-spectrum cephalosporin-resistant Escherichia coli and Klebsiella pneumoniae isolates in in- and outpatients in Switzerland, 2004 to 2011 %D 2013 %J Eurosurveillance %V 18 %N 21 %P 20484 %R doi:https://doi.org/10.2807/ese.18.21.20484-en %K Klebsiella pneumoniae %K e. coli O157 %U https://www.eurosurveillance.org/content/10.2807/ese.18.21.20484-en