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External validity of a population-based study on osteoporosis and fracture: Comparison of mortality and fracture rate in participants and non-participants
BACKGROUND AND PURPOSE: Little is known about the characteristics of non-participants in epidemiological studies. We evaluated external validity by comparing fracture and mortality rate in participants and non-participants in a longitudinal study on risk factors for fracture. METHODS: 1,604 randomly...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Informa Healthcare
2014
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4105777/ https://www.ncbi.nlm.nih.gov/pubmed/24847791 http://dx.doi.org/10.3109/17453674.2014.920987 |