1. Tobacco smoking;IARC,1986
2. A comparative study of smoking, drinking and dietary habits in population samples in France, Italy, Spain and Switzerland. II. Tobacco smoking;Berrino;Rev Epidém Santé Publ,1988
3. Incidence trends of laryngeal cancer in relation to national alcohol and tobacco consumption;Tuyns,1982
4. Death rates from cancer of the respiratory and oral tracts in different countries, in relation to the types of tobacco smoked;Elson;Eur J Cancer Clin Oncol,1981