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Start Over You searched for: Subjects United States Remove constraint Subjects: United States Languages English Remove constraint Languages: English Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999

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201. The new age of health laboratories, 1885-1915: an exhibit, May-October 1987 marking the centennial of the founding of the Pasteur Institute of Paris and the National Institutes of Health

212. National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences

234. National Library of Medicine classification: a scheme for the shelf arrangement of library materials in the field of medicine and its related sciences