Cargando…
Changes in population characteristics and their implication on public health research
Population estimates are generally drawn from one point in time to study disease trends over time; changes in population characteristics over time are usually not assessed and included in the study design. We evaluated whether population characteristics remained static and assessed the degree of pop...
Autores principales: | , , , |
---|---|
Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2007
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1971249/ https://www.ncbi.nlm.nih.gov/pubmed/17623097 http://dx.doi.org/10.1186/1742-5573-4-6 |