Institution: | National Veterinary Institute, Technical University of Denmark, Hangoevej 2, DK-8200 Aarhus N., Denmark (Salomonsen, Jensen, Hammer) and Bülowsvej 27, DK-1870 Frederiksberg C., Denmark (Boye); Department of Clinical Microbiology, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen Ø, Denmark (Høiby). |