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The Knee Clinical Assessment Study – CAS(K). A prospective study of knee pain and knee osteoarthritis in the general population: baseline recruitment and retention at 18 months
BACKGROUND: Selective non-participation at baseline (due to non-response and non-consent) and loss to follow-up are important concerns for longitudinal observational research. We investigated these matters in the context of baseline recruitment and retention at 18 months of participants for a prospe...
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Autors principals: | , , , , , , , , , , , |
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Format: | Artigo |
Idioma: | Inglês |
Publicat: |
BioMed Central
2006
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Matèries: | |
Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1435895/ https://ncbi.nlm.nih.gov/pubmed/16542454 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2474-7-30 |
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