Defining upper gastrointestinal bleeding from linked primary and secondary care data and the effect on occurrence and 28 day mortality
<p>Abstract</p> <p>Background</p> <p>Primary care records from the UK have frequently been used to identify episodes of upper gastrointestinal bleeding in studies of drug toxicity because of their comprehensive population coverage and longitudinal recording of prescript...
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| Main Authors: | , , |
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| Format: | Book |
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BMC,
2012-11-01T00:00:00Z.
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