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2. American Institute of Public Opinion. Public puffs on after 10 years of warning;AIPO;Gallup Opinion Index,1974
3. Andrews, D. A. Aversive treatment procedures in the modification of smoking. Unpublished doctoral dissertation, Queens University, Ontario, Canada, 1970.
4. Some recent observations relating to the absorption of nicotine from tobacco smoke;Armitage,1973
5. Use of self-imposed contingencies to reduce the frequency of smoking behavior;Axelrod,1974