Control of meningococcal disease in west Africa. Saturday 1 April 2000 Lewis R Varaine F Belanger F Nathan N Diarra L Lancet (London, England) 2000 Apr 01; 355(9210); 1185-6. doi: 10.1016/S0140-6736(05)72265-0. Epub 2000 05 31 Link to journal page