The price and value of information.
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Abstracting and Indexing↗
Biomedical subjects
A J Harley
Publications and source records attributed to A J Harley.
MEDLARS Computer information retrieval.
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Abstracting and Indexing↗
MEDLARS and the flow of scientific information.
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Computers↗
MEDLARS information retrieval in Britain.
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Abstracting and Indexing↗