Seventh International Meeting of the European Laboratory Working Group on Diphtheria - Vienna, June 2002 Kelly, C and Efstratiou, A and on behalf of DIPNET: European Diphtheria Surveillance Network and the European Laboratory Working Group on Diphtheria, Respiratory and Systemic Infection Laboratory, Specialist and Reference Microbiology Division, Health Protection Agency, United Kingdom, Eurosurveillance, 8, 427 (2003), https://doi.org/10.2807/esm.08.10.00427-en