Subjects
- Library Materials4
- National Library of Medicine (U.S.). Reference Services Division.4
- Nuclear Warfare4
- Zea mays4
- Escherichia coli3
- Fredrickson, Donald S.3
- General Surgery -- history3
- Genes3
- Heart-Assist Devices3
- History, 20th Century3
- Hospital Costs3
- Hydralazine3
- Microfilming3
- Military Medicine -- history3
- National Institutes of Health (U.S.)3
- Nobel Prize3
- Poly U3
- Trees3
- United States. Army. Medical Department3
- Warfare3