https://upload.wikimedia.org/wikipedia/commons/d/d7/Experime1940.ogv
https://upload.wikimedia.org/wikipedia/commons/d/d7/Experime1940.ogv
https://upload.wikimedia.org/wikipedia/commons/d/d7/Experime1940.ogv
Techfilm Studio, Moscow. Director: D.I. Yashin. Camera: E.V. Kashina. Narrator: Professor Walter B. Cannon. Introduced by Professor J.B.S. Haldane., Public domain, via Wikimedia Commons
The original uploader was Lordpook at English Wikipedia., Public domain, via Wikimedia Commons
Screenshot z filmu Experiments in the Revival of Organisms. Zdroj: Public Domain
The Annals of Thoracic Surgery