1. Siegfried, J.M. (2001) Women and lung cancer: does oestrogen play a role? Lancet Oncol, 2: 506-13.
2. Radzikowska, E., Glaz, P., Rozkowski, K. (2002) Lung cancer in women: age, smoking, histology, performance status, stage, initial treatment and survival. Population-based study of 20,561 cases. Annals of Oncology, 13: 1087-1093.
3. Ernster, V.L. (1996) Female Lung Cancer. Annu Rev Public Health, 17: 97-114.
4. World Health Organization - Tobacco Free Initiative. http://www.who.int/tobacco/en/ accessed January 21, 2006
5. Alberg AJ, Samet JM. Epidemiology of Lung Cancer. Chest. 2003;123:21S-49S
6. Lopez AD, Collishaw NE, Piha T. A descriptive model of the cigarette epidemic in developed countries. Tobacco Control 1994;3:242-247 http://tc.bmjjournals.com/cgi/reprint/3/3/242?maxtoshow=&HITS=10&hits=10&RESULTFORMAT= &author1=lopez&fulltext=tobacco+epidemic &searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT accessed March 26, 2006