Quitting motives and barriers among older smokers. The 1986 adult use of tobacco survey revisited
Orleans, C. Tracy ; Jepson, Christopher ; Resch, Nancy ; Rimer, Barbara K.
Cancer, 1994-10, Vol.74 (S7), p.2055-2061 [Periódico revisado por pares]New York: Wiley Subscription Services, Inc., A Wiley Company
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