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Document Type: Research Article
Affiliations: 1: Section for Antimicrobial Resistance and Environmental Microbiology, Danish Veterinary Laboratory, Copenhagen, Denmark, 2: Diagnostic Laboratory for Infectious Diseases and Perinatal Screening, National Institute for Public Health and the Environment, Bilthoven and 3: Laboratory of Medical Microbiology, University of Maastricht, Maastricht, The Netherlands.
Publication date: June 1, 2003