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Is an internal comparison better than using national data when estimating mortality in longitudinal studies?

BACKGROUND: Discrepancies between the results of different studies looking at mortality in similar disease cohorts led us to consider the impact of methodology upon outcome. METHODS: Cohort studies were carried out using age, sex, practice, and calendar time matched control groups in the general pra...

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Detalles Bibliográficos
Main Authors: Card, T R, Solaymani‐Dodaran, M, Hubbard, R, Logan, R F A, West, J
Formato: Artigo
Idioma:Inglês
Publicado: BMJ Group 2006
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Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC2566035/
https://ncbi.nlm.nih.gov/pubmed/16905729
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/jech.2005.041202
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