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Credit
Spiral movements of the apex of the exposed mammalian heart. 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
Spiral movements of the apex of the exposed mammalian heart. Public Domain Mark. Source: Wellcome Collection.
This film was projected at a presentation in 1939 and relates to article 'Rotary Movement of the Apex of the Mammalian Heart' by K. J. Franklin (Physiological Society).