Titlebook: A History of Experimental Virology; Alfred Grafe Book 1991 Springer-Verlag Berlin Heidelberg 1991 Biologie/Geschichte.Krankheitserreger.Pa

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https://doi.org/10.1007/978-3-319-47334-5 the American Institute in New York. It was Rivers who conferred the honour and the tenor of his text recalled the distinction bestowed by the Journal of the American Medical Association upon Vinson and Petre for their achievement in the same field no less than 9 years earlier.

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On the Way to a Definition of the Virus,ve Se(<20 ng. l.) than neutral, fertilized, lime-enriched, slightly acidic or humic lakes (>20 ng. l.). The correlation between pH and bioactive Se was positive (. ~ 0.92; . = 7)..The ecological importance of Se is suggested for some species of phytoplankton.

LEVER

Epilogue,e, Virginia versus Oregon. The inhabitants of the land that became the United States survived on food and resources which were fundamentally derived from soils. The economic output of the colonies and the youthful United States flowed more from agriculture than from industry until at least the Civil

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https://doi.org/10.1007/978-3-319-47334-5. On the one hand, it seems incredible for scientists to have assumed that the limits of technical aids such as microscopes and filters coincided with a dividing line amongst microbes. On the other hand, nothing was undertaken experimentally to investigate other hypotheses.

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