Validation of diagnoses of peptic ulcers and bleeding from administrative databasesA multi-health maintenance organization study
- 1 March 2002
- journal article
- research article
- Published by Elsevier in Journal of Clinical Epidemiology
- Vol. 55 (3) , 310-313
- https://doi.org/10.1016/s0895-4356(01)00480-2
Abstract
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