1. Migration of physicians and nurses: a world wide picture;Mejia;Int J Epidemiol,1978
2. The metrics of the physician brain drain;Mullan;N Engl J Med,2005
3. International nurse mobility: trends and policy implications,2003
4. Health professional mobility in a changing europe: new dynamics, mobile individuals and diverse responses;Buchan,2014
5. Global healthcare worker migration;Bludau,2021