Correction and Republication: Internet Versus Mailed Questionnaires: A Controlled [Correction of "Randomized"] Comparison (2)
Main Author: | |
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Format: | Online |
Language: | English |
Published: |
Gunther Eysenbach
2004
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Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1550625/ |