• 1
    Smoking and Health: A Report of the Surgeon General. Washington, DC, Office of Smoking and Health, US Department of Health, Education, and Welfare, 1979.
  • 2
    Frankel HH: Another cowboy selling cancer (letter). West J Med 130: 270271, 1979.
  • 3
    Christen AG: The case against smokeless tobacco: Five facts for the health professional to consider. J Am Dent Assoc 101: 464469, 1980.
  • 4
    Harper S: In tobacco, where there's smokeless fire. Advertising Age 51: 85, 1980.
  • 5
    Christen AG, McDaniel RK, Doran JE: Snuff dipping and tobacco chewing in a group of Texas college athletes. Texas Dent J 97: 610, 1979.
  • 6
    Heth J: Kids think it's macho to chew. Des Moines Register, June 6, 1982, p 16.
  • 7
    Binnie WH: Oral cancer, in DolbyAE (ed): Oral Mucosa in Health and Disease. Oxford, Blackwell Scientific Publications, 1975, pp 301323.
  • 8
    Mehta FS, Pindborg JJ, Hamner JE III, et al: Report on investigations of oral cancer and precancerous conditions in Indian rural populations, 1966–1969. Copenhagen, Munksgaard, 1970.
  • 9
    Gupta PC, Mehta FS, Daftary DK, et al: Incidence rates of oral cancer and natural history of oral precancerous lesions in a 10-year follow-up study of Indian villagers. Community Dent Oral Epidemiol 8: 287333, 1980.
  • 10
    Einhorn J, Wersäll J: Incidence of oral carcinoma in patients with leukoplakia of the oral mucosa. Cancer 20: 21892193, 1967.
  • 11
    Pindborg JJ, Jölst O, Renstrup G, et al: Studies in oral leukoplakia: A preliminary report on the period prevalence of malignant transformation in leukoplakia based on a follow-up study of 248 patients. J Am Dent Assoc 78: 767771, 1968.
  • 12
    Silverman S Jr: Observations on the clinical characteristics and natural history of oral leukoplakia. J Am Dent Assoc 76: 772777, 1968.
  • 13
    Roed-Petersen B: Cancer development in oral leukoplakia: Follow-up of 331 patients (abstract). J Dent Res 50: 771, 1971.
  • 14
    Mehta FS, Shroff BC, Gupta PC, et al: Oral leukoplakia in relation to tobacco habits. A 10-year follow-up study of Bombay policemen. Oral Surg 34: 426433, 1972.
  • 15
    Malaowalla AM, Silverman S Jr, Mani NJ, et al: Oral cancer in 57,518 industrial workers in Gujarat, India. A prevalence and follow-up study. Cancer 37: 18821886, 1976.
  • 16
    Banoczy J: Follow-up studies in oral leukoplakia. J Maxillofac Surg 5: 6975, 1977.
  • 17
    Winn DM, Blot WJ, Shy CM, et al: Snuff dipping and oral cancer among women in the southern United States. N Engl J Med 304: 745749, 1981.
  • 18
    Tennekoon GE, Bartlett GC: Effect of betel chewing on the oral mucosa. Br J Cancer 23: 3943, 1969.
  • 19
    Pindborg JJ, Kiaer J, Gupta PC, et al: Studies in oral leukoplakias. Prevalence of leukoplakia among 10,000 persons in Lucknow, India, with special reference to use of tobacco and betel nut. Bull WHO 37: 109116, 1967.
  • 20
    Chin CT, Lee KW: The effects of betel nut chewing on the buccal mucosa of 296 Indians and Malays in West Malaysia. A clinical study. Br J Cancer 24: 427432, 1970.
  • 21
    Jayant K, Balakrishnan V, Sanghvi LD, et al: Quantification of the role of smoking and chewing tobacco in oral, pharyngeal, and oesophageal cancers. Br J Cancer 35: 232235, 1977.
  • 22
    Smith JF, Mincer HA, Hopkins KP, et al: Snuff dipper's lesion. A cytological and pathological study in a large population. Arch Otolaryngol 92: 450456, 1970.
  • 23
    The Health Consequences of Smoking: Cancer, A Report of the Surgeon General. Rockville, Md, US Department of Health and Human Services, 1982.
  • 24
    Everything You Wanted To Know about Chewing and Dipping But Were Afraid To Ask. Austin, American Cancer Society, Texas Division, Inc, 1980, publication number 741.
  • 25
    Don't Bite Off More Than You Should Chew. New York, American Cancer Society, Inc, 1981, publication number 2643-LE.