Effect of questionnaire structure on recall of drug utilization in a population of university students
<p>Abstract</p> <p>Background</p> <p>Self-reported data are a common source of information about drug exposure. Modes of data collection differ considerably and the questionnaire's structure may affect prevalence estimates. We compared the recall of medication use...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2009-06-01
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| Series: | BMC Medical Research Methodology |
| Online Access: | http://www.biomedcentral.com/1471-2288/9/45 |