@article {Wahowiak1, author = {Lindsey Wahowiak}, title = {States, cities raising their minimum age for tobacco sales to 21: Protecting youth}, volume = {46}, number = {6}, pages = {1--14}, year = {2016}, publisher = {American Public Health Association}, issn = {0028-0496}, URL = {http://www.thenationshealth.org/content/46/6/1.2}, eprint = {http://www.thenationshealth.org/content}, journal = {The Nation{\textquoteright}s Health} }