Photograph shows the effects of Mustard gas on the bronchial membrane during physiological research conducted by Marshall in the Chemical Warfare Service's Research Division. Date of the photograph is July 12, 1918. This image is catalogued as subject number 54479 in the Chemical Warfare Service's archives.

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

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