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Cohen, .Joanna E., Lynn C. Planinac, Kara Griffin, Daniel J. Robinson, Shawn C. O’Connor, Anne Lavack, Francis E. Thompson, and Joanne Di Nardo. "Tobacco Promotions At Point-of-sale: The Last Hurrah." Can J Public Health 2008.

Cohen, .Joanna E., et al. "Tobacco Promotions At Point-of-sale: The Last Hurrah." Can J Public Health 2008.