1. World Health Organization. Declaration of Alma-Ata: international conference on primary health care, Alma-Ata, USSR, 6-12 September 1978. WHO, 1978. https://www.who.int/publications/almaata_declaration_en.pdf.
2. WHO Commission on Social Determinants of Health . Closing the gap in a generation. World Health Organization, 2008.
3. World Health Organization . Primary health care (now more than ever). In: World Health Report. WHO, 2008.
4. African Union, African health strategy 2016 - 2030. African Union, 2015.
5. Pan American Health Organization. Commission on equity and health inequalities presents 12 recommendations to reduce inequities in the Americas . 2018. https://www.paho.org/hq/index.php?option=com_content&view=article&id=14687:commission-on-equity-and-health-inequalities-presents-12-recommendations-to-reduce-inequities-in-the-americas&Itemid=135&lang=en.