Increased incidence of Clostridium difficile PCR ribotype 027 in Hesse, Germany, 2011 to 2013 Arvand, M and Vollandt, D and Bettge-Weller, G and Harmanus, C and Kuijper, E J and the Clostridium difficile study group Hesse, Collective, Eurosurveillance, 19, 20732 (2014), https://doi.org/10.2807/1560-7917.ES2014.19.10.20732