Validation of exposure assessment and assessment of recruitment methods for a prospective cohort study of mobile phone users (COSMOS) in Finland: a pilot study
<p>Abstract</p> <p>Background</p> <p>The aim of the study was to evaluate the agreement between self-reported and operator-derived estimates of call time based on a three-month monitoring period, as well as the consistency of mobile phone use over time. Alternative appr...
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| Formaat: | Boek |
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BMC,
2011-03-01T00:00:00Z.
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A1234.567 |
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| Kopie 1 | Beschikbaar |