1. Chung M, Chang HR, Bland KI, Wanebo HJ. Younger women with breast carcinoma have a poorer prognosis than older women. Cancer. 1996;77(1):97–103.
2. Ries LAG, Eisner MP, Kosary CL, Hankey BF, Miller BA, Clegg L, et al. (2005) SEER cancer statistics review, 1975–2002, Bethesda.
3. Brinton LA, Sherman ME, Carreon JD, Anderson WF. Recent trends in breast cancer among younger women in the United States. J Natl Cancer Inst. 2008;100(22):1643–8.
4. Bleyer A, O’Leary M, Barr R, Ries LAG (eds.) Cancer epidemiology in older adolescents and young adults 15 to 29 years of age, including SEER incidence and survival: 1975–2000. National Cancer Institute, NIH Pub. No. 06-5767, Bethesda. 2006.
5. Marrett LD, Frood J, Nishri D, Cancer in Young Adults in Canada (CYAC) Working Group. Cancer incidence in young adults in Canada: preliminary results of a cancer surveillance project. Chronic Dis Can. 2002;23(2):58–64.