Amadou A et al, Overweight, obesity and risk of premenopausal breast cancer according to ethnicity: a systematic review and dose–response meta–analysis. Obes Rev. 2013 Aug;14(8):665–78. Read.
Lozano-Ascencio et al, Tendencias del cáncer de mama en América Latina y El Caribe. [English abstract available: Breast cancer tendencies in Latin America and the Caribbean], Salud Publica Mex 2009; 51(sup 2):147–156. Read
Porter P, M.D. "Westernizing" Women's Risks? Breast Cancer in Lower-Income Countries. N Engl J Med2008; 358:213–216, CINAHL Plus, EBSCOhost, viewed 28 November 2013. Read
Porter P (2009) Global trends in breast cancer incidence and mortality. Salud Publica Mex, 51:S141–S146. Read