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Subjects
- United States[remove]7
- Bordetella pertussis3
- Pertussis Vaccine3
- Whooping Cough3
- Libraries, Medical2
- Military Medicine -- history2
- Warfare2
- World War II2
- Information Storage and Retrieval1
- Information Systems1
- MEDLARS1
- Military Personnel -- history1
- National Library of Medicine (U.S.)1
- United States. Army Medical Department.1
- United States. Army. Medical Department1