Kouvonen, A., Kivimaki, M., Virtanen, M., Pentti, J., & Vahtera, J. (2005). Work stress, smoking status, and smoking intensity: An observational study of 46 190 employees. BMJ Group.

Kouvonen, A., M. Kivimaki, M. Virtanen, J. Pentti, و J. Vahtera. Work Stress, Smoking Status, and Smoking Intensity: An Observational Study of 46 190 Employees. BMJ Group, 2005.

Kouvonen, A., et al. Work Stress, Smoking Status, and Smoking Intensity: An Observational Study of 46 190 Employees. BMJ Group, 2005.