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    14. Unlike most fields, biomedical scholars enjoy the use of the National Library of Medicine's central database that contains information on several thousand medical collections. Although this data source offered substantial benefits with respect to the initial phase of data collection, the data were not ideally organized for analysis. One of the major difficulties was that many of the data — some 25% — were too idiosyncratic for data processing; as a consequence several hundred additional hours of manual effort were required to transform the data into usable form.


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