Cunningham, T. J., Eke, P. I., Ford, E. S., Agaku, I. T., Wheaton, A. G., & Croft, J. B. (2015). Cigarette Smoking, Tooth Loss, and Chronic Obstructive Pulmonary Disease: Findings From the Behavioral Risk Factor Surveillance System. J Periodontol.

Cunningham, Timothy J., Paul I. Eke, Earl S. Ford, Israel T. Agaku, Anne G. Wheaton, and Janet B. Croft. "Cigarette Smoking, Tooth Loss, and Chronic Obstructive Pulmonary Disease: Findings From the Behavioral Risk Factor Surveillance System." J Periodontol 2015.

Cunningham, Timothy J., et al. "Cigarette Smoking, Tooth Loss, and Chronic Obstructive Pulmonary Disease: Findings From the Behavioral Risk Factor Surveillance System." J Periodontol 2015.