Messer, K., Pierce, J. P., Zhu, S., Hartman, A. M., Al‐Delaimy, W. K., Trinidad, D. R., & Gilpin, E. A. (2007). The California Tobacco Control Program's effect on adult smokers: (1) Smoking cessation. BMJ Group.

Messer, Karen, John P. Pierce, Shu‐Hong Zhu, Anne M. Hartman, Wael K. Al‐Delaimy, Dennis R. Trinidad, und Elizabeth A. Gilpin. The California Tobacco Control Program's Effect On Adult Smokers: (1) Smoking Cessation. BMJ Group, 2007.

Messer, Karen, et al. The California Tobacco Control Program's Effect On Adult Smokers: (1) Smoking Cessation. BMJ Group, 2007.