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Publication:
[Bethesda, Md.] : National Institutes of Health, Division of Safety, [19--?]
Subject(s):
Ear Protective Devices
Hearing Loss -- prevention & control
Author(s):
Walpole, Robert H., author
Publication:
Fort Knox, Kentucky : Armored Medical Research Laboratory, 5 August 1944
Subject(s):
Ear Protective Devices
Blast Injuries -- prevention & control
Ear -- injuries
Military Personnel
World War II
United States
Author(s):
Walpole, Robert H., author
Publication:
Fort Knox, Kentucky : Armored Medical Research Laboratory, 15 October 1945
Subject(s):
Ear Protective Devices
Military Personnel
United States
Author(s):
Walpole, Robert H., author
Publication:
Fort Knox, Kentucky : Armored Medical Research Laboratory, 5 November 1943
Subject(s):
Ear Protective Devices
Materials Testing
Military Personnel
World War II
United States