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...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2011-03-01
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| Series: | Environmental Health |
| Online Access: | http://www.ehjournal.net/content/10/1/14 |