1. United Nations: Report of the director-general of the World Health Organization on the prevention and control of non-communicable diseases. Document A/R68/650 (2013). Accessed 15 Nov 2020
2. Dutta, U., Nagi, B., Garg, P.K., Sinha, S.K., Singh, K., Tandon, R.K.: Patients with gallstones develop gallbladder cancer at an earlier age. Eur. J. Cancer Prev. 14, 381–385 (2005). https://doi.org/10.1097/00008469-200508000-00011
3. Gajalakshmi, C.K., Shanta, V., Swaminathan, R., Sankaranarayanan, R., Black, R.J.: Apopulation-based survival study on female breast cancer in Madras. Br. J. Cancer Res. 75, 771–5 (1997). https://doi.org/10.1038/bjc.1997.137
4. Mendis, S.: Global status report on noncommunicable diseases 2014 (2014). http://www.who.int/nmh/publications/ncd-status-report-2014/en/. Accessed 15 Nov 2020
5. United Nations: Outcome document of the high-level meeting of the General Assembly on the comprehensive review and assessment of the progress achieved in the prevention and control of non-communicable diseases. A/RES/68/300 (2014). Accessed 15 Nov 2020