http://tobaccodocuments.org/blum_oral/001_04A_0071.html
National Dental Tobacco-Free Steering Committee. "NDTFSC National Dental Tobacco-Free Steering Committee Meeting Report for January 25-26, 1999 Supplemental Reports". 26 Jan 1999.
http://tobaccodocuments.org/blum_oral/001_04A_0071.html