Urban–rural differences of age- and species-specific campylobacteriosis incidence, Hesse, Germany, July 2005 – June 2006 Fitzenberger, J and Uphoff, H and Gawrich, S and Hauri, A M, Eurosurveillance, 15, 19693 (2010), https://doi.org/10.2807/ese.15.42.19693-en