Samoilova, S V Virulence of pPst+ and pPst- strains of Yersinia pestis for guinea-pigs. [electronic resource] - Journal of medical microbiology Dec 1996 - 440-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-2615 Standard No.: 10.1099/00222615-45-6-440 doi Subjects--Topical Terms: AerosolsAnimalsFemaleGuinea PigsLethal Dose 50Plague--microbiologyPlasmidsTemperatureTime FactorsVirulenceYersinia pestis--pathogenicity