Sung H, Ferlay J, et al. Global cancer statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin, 71(3), 209-249, 2021.
Brinton LA, Gaudet MM, et al. Breast Cancer. In: Thun M, Linet MS, et al., eds. Cancer epidemiology and prevention. 4th ed. Oxford University Press. 861-888, 2018.
American Cancer Society. Breast Cancer. Atlanta, GA, USA, 2021. [Source: https://www.cancer.org/cancer/breast-cancer.html] Accessed Nov 20, 2021.