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- African Americans[remove]5
- Catalogs, Library2
- National Library of Medicine (U.S.)2
- Anticholesteremic Agents -- therapeutic use1
- Coronary Disease -- prevention & control1
- Coronary Primary Prevention Trial.1
- Famous Persons1
- Fredrickson, Donald S.1
- National Library of Medicine (U.S.). Reference Services Division.1
- Physicians1
- Research Subjects1