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Capillary circulation and capillary reactions in the frog. Public Domain Mark. Source: Wellcome Collection.
Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Capillary circulation and capillary reactions in the frog. Public Domain Mark. Source: Wellcome Collection.
Studies by means of cinemicrography of capillary reactions in a frog.