Smoking cessation messages.
Newton
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Department of Family Medicine, University of North Carolina-Chapel Hill 27599.
D000328:Adult; D000368:Aged; D015709:Correspondence as Topic; D005194:Family Practice; D005260:Female; D006266:Health Education / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009657:North Carolina; D017063:Outcome Assessment, Health Care; D016540:Smoking Cessation; D015443:Word Processing