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Subjects
- United States9
- Libraries, Medical3
- National Library of Medicine (U.S.)3
- Aged -- psychology1
- Blood Transfusion -- history1
- Book Classification1
- Delivery of Health Care1
- Health Services for the Aged1
- Indians, North American1
- Library Materials -- classification1
- Library Schools1
- Library Science -- education1
- Library Services1
- Medicine1
- Military Medicine -- history1
- Plasma Substitutes -- history1
- Population Dynamics1
- Rubella -- drug therapy1
- Rubella Vaccine -- standards1
- Science1