A number of scholarships are available for overseas post-graduate study.

Post-graduate studentships.
Support 4 Learning provides Careers & Education information, advice and resources online, including funding for overseas study.
Publication: The 2006 Directory of Grants and Fellowships in the Global Health Sciences
British Academy Funding for International Scholars Looking for funding for your global health research or overseas placements? This includes nearly 500 funding opportunities related to biomedical and behavioral sciences, with a special emphasis on researchers in the developing world and their collaborators. An addendum listing 100 grants specifically for short-term travel and exchange is also available.
RD Info A site providing researchers with information on health-related funding and training opportunities.