Information in a ClinicalTrials.gov record can be modified at any time by the data provider.
The display at ClinicalTrials.gov shows the most recent version for each data element.
The date first received and the date last updated are listed at the top of each record.
The full history of changes since the record was first received is available in the
archival version of the record on the ClinicalTrials.gov Archive Site.
Current Study:
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ClinicalTrials.gov Id:
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NCT00820495
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Study Title:
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Effectiveness of a Web-Assisted Quitline for Smokeless Tobacco Users
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First Received:
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January 8, 2009
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Last Updated:
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January 9, 2009
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Continue to the history of changes for this study on the
