An, Lawrence C., Schillo, Barbara A., Kavanaugh, Annette, Luxenberg, Michael G., Joseph, Anne M., McAfee, Tim (2006). "Access to nicotine replacement therapy as part of a statewide tobacco telephone helpline". American Journal of Health Promotion, Vol.20, No.4, March/April 2006: p.267-271
DOI: 10.4278/0890-1171-20.4.267

Warning: These citations may not always be 100% accurate.