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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Detalles Bibliográficos
Autores principales: Montedori, Alessandro, Abraha, Iosief, Chiatti, Carlos, Cozzolino, Francesco, Orso, Massimiliano, Luchetta, Maria Laura, Rimland, Joseph M, Ambrosio, Giuseppe
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2016
Materias:
Research Methods
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5030614/
https://www.ncbi.nlm.nih.gov/pubmed/27633635
http://dx.doi.org/10.1136/bmjopen-2016-011776

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5030614/
https://www.ncbi.nlm.nih.gov/pubmed/27633635
http://dx.doi.org/10.1136/bmjopen-2016-011776

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