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Analysis of 36,000 discarded cigarette butts on college campuses reveals up to 40% of tobacco could be contraband http://t.co/vLcbSc4RbA
Analysis of 36,000 discarded cigarette butts on college campuses reveals up to 40% of tobacco could be contraband http://t.co/vLcbSc4RbA
Research: Contraband tobacco on post-secondary campuses in Ontario, Canada: analysis of discarded cigarette butts http://t.co/NIUONRJaIu
Analysis of 36,000 discarded cigarette butts on college campuses reveals up to 40% of tobacco could be contraband http://t.co/vLcbSc4RbA
Analysis of 36,000 discarded cigarette butts on college campuses reveals up to 40% of tobacco could be contraband http://t.co/vLcbSc4RbA