1. World Health Organization: Children: reducing mortality.
http://www.who.int/mediacentre/factsheets/fs178/en/index.html
.
2. United Nations: Millennium Development Goals Report. 2010,
http://www.un.org/millenniumgoals/pdf/MDG%20Report%202010%20En%20r15%20-low%20res%2020100615%20-.pdf#page=28
.
3. World Health Organization: The global burden of disease:. 2004,
http://www.who.int/healthinfo/global_burden_disease/2004_report_update/en/index.html
, update.
4. World Health Organization: The world health report. 2006,
http://www.who.int/whr/2006/whr06_en.pdf
, : working together for health.
5. Association of American Medical Colleges: 2012 Medical School Graduation Questionnaire.
https://www.aamc.org/download/300448/data/2012gqallschoolssummaryreport.pdf
.