Staff views about the quality of the Communicable Diseases Surveillance System in Khartoum State, Sudan, 2005-2007: a qualitative study Sahal, Nagla Reintjes, Ralf Mahgoub, A.E. Aro, Arja R. 2011 - ReposIt
Feasibility of implementing recommendations to improve communicable diseases surveillance - a modified Delphi study Sahal, Nagla Reintjes, Ralf Eltayeb, E.M. Aro, Arja R. 2011 - ReposIt