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- Publication:
- Washington, D.C. : Federal Security Agency, U.S. Public Health Service, 1941
- Subject(s):
- Influenza, Human
- Publication:
- Washington, D.C. : Federal Security Agency, U.S. Public Health Service, [1941?]
- Subject(s):
- Carbon Monoxide Poisoning -- prevention & control
Occupational Health
- Publication:
- [Washington, D.C.] : Federal Security Agency, U.S. Public Health Service, [1941]
- Subject(s):
- Benzene -- adverse effects
Occupational Exposure -- adverse effects
Occupational Health
- Publication:
- [Washington, D.C.] : Federal Security Agency, U.S. Public Health Service, [1941]
- Subject(s):
- Stomach Diseases -- diagnosis
Stomach Diseases -- prevention & control
- Publication:
- Washington, D.C. : Federal Security Agency, U.S. Public Health Service, [1941]
- Subject(s):
- Appendicitis
Appendix -- physiopathology
- Publication:
- [Washington, DC] : U.S. Public Health Service, [1941]
- Subject(s):
- Dental Care
Oral Hygiene