Nimiösivulla myös: Bacteriology Unit, Department of Infectious Disease Surveillance and Control, National Institute for Health and Welfare (THL), Helsinki, Finland and Department of Food and Environmental Sciences, Faculty of Agriculture and Forestry, University of Helsinki.
Artikkeliväitöskirjan yhteenveto-osa ja 5 eripainosta.
kuvitettu
Nimiösivulla myös: Bacteriology Unit, Department of Infectious Disease Surveillance and Control, National Institute for Health and Welfare (THL), Helsinki, Finland and Department of Food and Environmental Sciences, Faculty of Agriculture and Forestry, University of Helsinki.