1. World Health Organization. Fact Sheet No. 348. Geneva: World Health Organization; 2012a.
2. World Health Organization. Recommendations: Optimizing health worker roles to improve access to key maternal and newborn health interventions through task shifting. Geneva: World Health Organization; 2012b.
3. Mullan F, Freywot S. Non-physician clinicians in 47 sub-Saharan African Countries. Lancet. 2008;370:2158–63.
4. World Bank. (2015). Physicians (per 1,000 people). World Bank Data. [Online] 14 3. people.
http://data.worldbank.org/indicator/SH.MED.PHYS.ZS
.
5. World Health Organization. Global Health Observatory data repository. Aggregate data on health workers by category. [Online] 07 02 2017. [Cited: 12 09 2017.]
http://apps.who.int/gho/data/node.main.A1444?lang=en&showonly=HWF
.