About the cover illustration.
Hammerschmidt
Dale E
DE
D049672:History, 19th Century; D049673:History, 20th Century; D006772:Hospitals, Military / Q000266:history*; D006801:Humans; D007258:Informed Consent / Q000266:history; D008887:Military Medicine / Q000266:history*; D015004:Yellow Fever / Q000266:history