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FACTORS INFLUENCING THE SURVIVAL OF SPIROCHETES IN THE FROZEN STATE
Titration experiments made with relapsing fever spirochetes before and after freezing showed the following: 1. With each freezing and thawing there is a slight but regular decrease in virulence, which decrease bears no relation to the duration of storage at – 78°C. Ordinarily infectivity is destroye...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
The Rockefeller University Press
1939
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2133773/ https://www.ncbi.nlm.nih.gov/pubmed/19870936 |