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Time: 2024-08-03T10:28:43Z
URL: http://scholar.google.com/scholar_lookup?author=Shiffman%20S.&author=and%20Paty%20J.&journal=J.%20Abnorm.%20Psychol.&pages=509-523&publication_year=2006&title=Smoking%20patterns%20and%20dependence%3A%20contrasting%20chippers%20and%20heavy%20smokers.&volume=115