Outbreak of Q fever in Lohra-Rollshausen, Germany, spring 1996 Lyytikaïnen, O and Ziese, T and Schwartländer, B and Matzdorff, P and Kuhnhen, C and Burger, C and Krug, W and Petersen, L, Eurosurveillance, 2, 136 (1997), https://doi.org/10.2807/esm.02.02.00136-en