Web-based survey attracted age-biased sample with more severe illness than paper-based survey (Q46082285)
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Language | Label | Description | Also known as |
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English | Web-based survey attracted age-biased sample with more severe illness than paper-based survey |
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Web-based survey attracted age-biased sample with more severe illness than paper-based survey (English)
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Steinar Hunskaar
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Atle Klovning
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Hogne Sandvik
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25 February 2009
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62
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10
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1068-1074
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