Artikkeliväitöskirjan yhteenveto-osa ja 4 eripainosta.
kuvitettu, karttoja
Nimiösivulla myös: Bacterial Infections Unit, Department of Infectious Diseases, National Institute for Health and Welfare, Helsinki, Finland and Doctoral school in Environmental, Food and Biological Sciences, Division of Microbiology and Biotechnology, Department of Food and Environmental Sciences, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland.
Nimiösivulla myös: Bacterial Infections Unit, Department of Infectious Diseases, National Institute for Health and Welfare, Helsinki, Finland and Doctoral school in Environmental, Food and Biological Sciences, Division of Microbiology and Biotechnology, Department of Food and Environmental Sciences, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland.