Smokers' beliefs about the health benefits of smoking cessation--20 U.S. communities, 1989.
D000328:Adult; D000367:Age Factors; D001294:Attitude to Health; D004522:Educational Status; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D007407:Interviews as Topic; D008875:Middle Aged; D012307:Risk Factors; D000074606:Smoking Prevention; D014481:United States