International records / US diplomatic cables (WikiLeaks)
PRESIDENT YAR'ADUA TO UNDERGO MEDICAL CHECK-UP IN SAUDI ARABIA
CONFIDENTIAL cable from Abuja, Nigeria to Yaoundé, Cameroon | Central Intelligence Agency | Defense Intelligence Agency | Department of Agriculture | Department of Energy | Economic Community of West African States (ECOWAS) | Accra, Ghana | Joint Analysis Center Molesworth | National Security Council | Lagos, Nigeria | Riyadh, Saudi Arabia | Secretary of State | Pretoria, South Africa | United States Africa Command | United States European Command