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of influenza A virus Simplified Chinese A型流感病毒 Russian Структура вируса гриппа А Dutch Foto met een electronenmicroscoop gemaakt van het influenza A virus

Photographs of a model showing Thornton's design including his modifications of ca. 1797, are available , (three .jpg images totaling 21k). A Brief Construction

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and 2. it is a photograph that was created prior to January 1, 1949, or 3. the creator died prior to January 1, 1972. You must also include a United States

<a href="https://archive.org/search.php?query=sim_pubid%3A4250%20AND%20volume%3ANone" rel="nofollow">Volume None</a>, Issue 2395. Digitized from <a