A case of Clostridium difficile-associated disease due to the highly virulent clone of Clostridium difficile PCR ribotype 027, March 2007 in Germany Zaiss, N H and Weile, J and Ackermann, G and Kuijper, E J and Witte, W and Nuebel, U, Weekly releases (1997–2007), 12, 3306 (2007), https://doi.org/10.2807/esw.12.46.03306-en