1. Cigarette smoking–attributable mortality and years of potential life lost-United States, 1990;MMWR,1993
2. Medical-care expenditures attributable to cigarette smoking-United States, 1993;MMWR,1994
3. U.S. Preventive Services Task Force. Counseling to prevent tobacco use. In: Guide to clinical preventive services. Alexandria, Virginia: International Medical Publishing, Inc.
4. Cigarette smoking and progression of atherosclerosis;Howard;JAMA,1998
5. Mecklenburg RE, Greenspan D, Kleinman DV, et al. Tobacco effects in the mouth. Bethesda, Maryland: U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, 1992; NIH publication no. 86-2874.