1. Mapping levels of palliative care development: a global update,2011
2. Palliative care development in Africa: how we can provide enough quality care?;Powell;BMJ Support Palliat Care,2011
3. United Nations Committee on Economic, Social and Cultural Rights, Twenty-second session. Geneva, April 25–May 12, 2000. E/C 12/2000/4, General Comment No.14.
4. Latest world cancer statistics: global cancer burden rises to 14·1 million new cases in 2012: marked increase in breast cancers must be addressed. Press release number 223,2013
5. GLOBOCAN 2008, Cancer Incidence and Mortality Worldwide: IARC Cancer Base No. 10;Ferlay,2008