1. Akiba S, Kato S, Blot WJ (1986) Passive smoking and lung cancer among Japanese women. Cancer Res 46:4804–4807
2. Auerbach O, Stout AP, Hammond EC, et al (1961) Changes in bronchial epithelium in relation to cigarette smoking and in relation to lung cancer. N Engl J Med 265:253–267
3. Chan WC, Fung SC (1982) Lung cancer in non-smokers in Hong Kong. In: Grundman E (ed) Cancer campaign, vol 6. Cancer epidemiology. Fischer, Stuttgart, pp 199–202
4. Correa P, Fontham E, Pickle L, Lin Y, Haenszel W (1983) Passive smoking and lung cancer. Lancet 2:595–597
5. Dalager NA, Pickle LW, Mason TJ, et al (1986) The relation of passive smoking to lung cancer. Cancer Res 46:4808–4811