Expressed willingness of smokers to try 10 smoking withdrawal methods.
D000328:Adult; D000367:Age Factors; D001294:Attitude to Health; D002140:California; D006266:Health Education; D006801:Humans; D008297:Male; D009042:Motivation; D011593:Psychology, Social; D012494:Sampling Studies; D012907:Smoking; D012959:Socioeconomic Factors