Source:"Smoking and Mortality — Beyond
Established Causes." NEJM. Brian D. Carter, M.P.H., Christian C. Abnet, Ph.D., Diane Feskanich, Sc.D.,
Neal D. Freedman, Ph.D., Patricia Hartge, Sc.D., Cora E. Lewis, M.D.,
Judith K. Ockene, Ph.D., Ross L. Prentice, Ph.D., Frank E. Speizer, M.D.,
Michael J. Thun, M.D., and Eric J. Jacobs, Ph.D., 12 Feb. 2015.
Source:Smith, E. A., & Malone, R. E. (2009). “Everywhere the Soldier Will Be”: Wartime Tobacco Promotion in the US Military. American Journal of Public Health, 99(9), 1595–1602. http://doi.org/10.2105/AJPH.2008.152983