Image shows the results of physiological research conducted by Marshall in the Chemical Warfare Service's Research Division during World War I. The photograph depicts sub-endocardial hemorrhages in a subject after exposure to G-49. The image was taken on July 12, 1918 and received by the Chemical Warfare Service, Research Division with the description number AU TAKEN.

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Size: 8484px × 5809px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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