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- Author(s):
- United States. War Department, author.
- Publication:
- Washington : War Department 2 October 1944
- Subject(s):
- Electrocardiography
- Author(s):
- Pardee, Harold E. B. (Harold Ensign Bennett), 1886-1972 author
- Publication:
- New York : Paul B. Hoeber, Inc., MCMXXIV
- Subject(s):
- Electrocardiography