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THE PRESERVATION OF VIRULENT TREPONEMA PALLIDUM AND TREPONEMA PERTENUE IN THE FROZEN STATE; WITH A NOTE ON THE PRESERVATION OF FILTRABLE VIRUSES
1. A simple method for freezing and maintaining tissue specimens in a mixture of solid carbon dioxide and 95 per cent ethyl alcohol at a temperature approximating –78°C. is described. 2. When frozen and maintained at this temperature Treponema pallidum and Treponema pertenue, upon thawing, exhibited...
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| Formato: | Texto |
| Lenguaje: | English |
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The Rockefeller University Press
1938
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2133542/ https://www.ncbi.nlm.nih.gov/pubmed/19870710 |