Institution: | Department of Microbiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław 53-114, Poland;Department of Chemical Biology, Faculty of Biotechnology, University of Wrocław, Wrocław 50-383, Poland;Department of Biological Safety, National Reference Laboratory for Campylobacter, German Federal Institute for Risk Assessment, Berlin 12277, Germany |