1. Breslow NE, Day NE (1980) Statistical Methods in Cancer Research Vol I, The Analysis of Case–Control Studies. IARC Sci Publ, Lyon Vol 32:
2. Burch WM, Howe GR, Miller AB, Semenciw R (1981) Tobacco, alcohol, asbestos, and nickel in the etiology of cancer of the larynx: a case–control study. J Natl Cancer Inst 67: 1219–1224
3. D'Avanzo B, La Vecchia C, Katsouyanni K, Negri E, Trichopoulos D (1996) Reliability of information on cigarette smoking and beverage consumption provided by hospital controls. Epidemiology 7: 312–315
4. Doll R, Forman D, La Vecchia C, Woutersen R (1999) Alcoholic beverages and cancers of the digestive tract and larynx. In Health issue related to alcohol consumption 2nd edn, Macdonald I (ed), pp 351–393, Oxford: ILSI Europe, Blackwell Science Ltd
5. Dosemeci M, Gokmen I, Unsal M, Hayes RB, Blair A (1997) Tobacco, alcohol use, and risks of laryngeal and lung cancer by subsite and histologic type in Turkey. Cancer Causes Control 8: 729–737