1. WHO Global Code of Practice on the International Recruitment of Health Personnel. http://www.who.int/hrh/migration/code/code_en.pdf?ua=1 .
2. WHO Global Code of Practice on the International Recruitment of Health Personnel: second round of national reporting. Report by the Secretariat http://apps.who.int/gb/ebwha/pdf_files/WHA69/A69_37-en.pdf . Accessed 3 July 2016.
3. WHO. Report of the expert advisory group on the relevance and effectiveness of the WHO Global Code of Practice on the International Recruitment of Health Personnel: report by the Director-General; A68/32 Add.1. 2015. Available at http://www.who.int/hrh/migration/Item23-A68_32Add1-en20-05-2015.pdf?ua=1 . Accessed 3 July 2016.
4. Campbell J, \., Siyam A.: The WHO global code: increasing relevance and effectiveness. Hum Resour Health 2016 14(Suppl 1):39 doi: 10.1186/s12960-016-0131-x .
5. Wismar M, Maier CB, Glinos IA, Dussault G, Figueras J. Health professional mobility and health systems. Evidence from 17 European countries. WHO European Observatory on Health Systems and Policies. 2011;1:632. Available at http://apps.who.int/iris/bitstream/10665/170421/1/Health-Professional-Mobility-Health-Systems.pdf . Accessed 21 Oct 2017.