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Effects of drop out in a longitudinal study of musculoskeletal disorders
OBJECTIVES—The drop out rates in different longitudinal studies of musculoskeletal disorders range between 7% and 57%, and little is known about the characteristics of the subjects who dropped out. The aim was to analyse various consequences of drop out in a longitudinal study of musculoskeletal dis...
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| Autori principali: | , , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
BMJ Group
2001
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1740112/ https://ncbi.nlm.nih.gov/pubmed/11171933 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/oem.58.3.194 |
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