Validity of peptic ulcer disease and upper gastrointestinal bleeding diagnoses in administrative databases: a systematic review protocol

INTRODUCTION: Administrative healthcare databases are useful to investigate the epidemiology, health outcomes, quality indicators and healthcare utilisation concerning peptic ulcers and gastrointestinal bleeding, but the databases need to be validated in order to be a reliable source for research. T...

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Dades bibliogràfiques
Publicat a:BMJ Open
Autors principals: Montedori, Alessandro, Abraha, Iosief, Chiatti, Carlos, Cozzolino, Francesco, Orso, Massimiliano, Luchetta, Maria Laura, Rimland, Joseph M, Ambrosio, Giuseppe
Format: Artigo
Idioma:Inglês
Publicat: BMJ Publishing Group 2016
Matèries:
Research Methods
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC5030614/
https://ncbi.nlm.nih.gov/pubmed/27633635
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2016-011776
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