Active vs passive recruitment to quitline studies: public health implications
- PMID: 21666099
- DOI: 10.1093/jnci/djr193
Active vs passive recruitment to quitline studies: public health implications
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Proactive telephone counseling for smoking cessation: meta-analyses by recruitment channel and methodological quality.J Natl Cancer Inst. 2011 Jun 22;103(12):922-41. doi: 10.1093/jnci/djr169. Epub 2011 Jun 10. J Natl Cancer Inst. 2011. PMID: 21666098
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