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Authors
- National Library of Medicine (U.S.)8
- National Library of Medicine (U.S.). Reference Services Division.2
- Library of the Surgeon-General's Office (U.S.)1
- MacDonald, Virginia.1
- Mandel, William, 1924-1
- National Center for Air Pollution Control (U.S.), compiler.1
- National Library of Medicine (U.S.). Division of Extramural Programs.1
- National Library of Medicine (U.S.). History of Medicine Division.1