Obaro Stephen, Greenwood Brian
Division of Paediatric Infectious Diseases, Department of Paediatrics and Human Development, Michigan State University, East Lansing, 48824, USA.
Lancet. 2011 Oct 8;378(9799):1281-2. doi: 10.1016/S0140-6736(11)61146-X. Epub 2011 Sep 6.