1. Ferrinho P, Van Lerberghe W, Julien M, Fresta E, Gomes A, Dias F: How and why public sector doctors engage in private practice in Portuguese-speaking African countries. Health Policy Plan. 1998, 13: 332-338. 10.1093/heapol/13.3.332.
2. Dovlo D: Retention and deployment of health workers and professionals in Africa. Report for the Consultative meeting on Improving Collaboration between Health Professions and Governments in Policy Formulation and Implementation of Health Sector. 2002, Addis Ababa, January 28 - February 1
3. Smigelskas K, Padaiga Z: Do Lithuanian pharmacists intend to migrate?. J Ethn Migr Stud. 2007, 33: 501-509. 10.1080/13691830701234814.
4. Nguyen LR, Nderitu S, Zuyderduin E, Luboga AS, Hagopian A: Intent to migrate among nursing students in Uganda: Measures of the brain drain in the next generation of health professionals. Hum Resour Heal. 2008, 6: 5-10.1186/1478-4491-6-5.
5. De Vries DH, Tijdens KG: Using the Wageindicator Websurvey to Monitor Human Resources for Health. O trabalho em saude: abordagens quantitativas e qualitativas. Edited by: Pierantoni CR, Dal Poz MR, França T. 2011, Rio de Janeiro: CEPESC: IMS/UERJ ObservaRH, 273-289.