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betsy l humphreys
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Preservation of the biomedical literature
Betsy L. Humphreys · U.S. Department of Health and Human Services, Public Health Services, National Institutes of Health, National Library of Medicine
143 sayfa · 1985
Medical Libraries / Organization & administration / Library Services / Microfilming / Paper
Public Health Informatics
Catherine Selden, Betsy L. Humphreys, Andrew Friede, Zdenka Geisslerova · Diane Pub Co
Sayfa sayısı yok · 1996
Medical