Wetter, D. W., J. B. McClure, C. De Moor, L. Cofta-Gunn, S. Cummings, P. M. Cinciripini, and E. R. Gritz. 2002. Concomitant use of cigarettes and smokeless tobacco: Prevalence, correlates, and predictors of tobacco cessation. Preventive Medicine 34(6):638-648.
Williams, J. O., N. S. Bell, and P. J. Amoroso. 2002. Drinking and other risk taking behaviors of enlisted male soldiers in the US Army. Work 18(2):141-150.
Williams, L., G. Gackstetter, E. Fiedler, C. Hermesch, and H. Lando. 1996. Prevalence of tobacco use among first-term Air Force personnel before and after basic military training. Military Medicine 161(6):318-323.
Wilson, M. A. 2008. Prevalence of tobacco abuse in a United States Marine Corp infantry battalion forward deployed in the Haditha triad area of operations, al Anbar, Iraq. Chest 134(4):s53001.