1. World Health Organization. Progress in reducing measles deaths: 1999–2004. Wkly Epidemiol Rec 2006;81:89–96
2. World Health Organization. Division of Diarrhoeal and Acute Respiratory Disease Control. Integrated management of the sick child. Bull World Health Org 1995;73:735–740.
3. Hussey GD, Clements CJ. Clinical problems in measles. Ann Trop Paediatr 1996;16:307–317.
4. Rhazes [Abu Bakr Muhammad ibn Zakariya al-Razi]. A treatise on the smallpox and measles. Translated from the Arabic by William Alexander Greenhil. London: Sydenham Society, 1848.
5. Sydenham T. Observationes medicae circa morborum acutorum historiam et curationem. Londini: Kettilby, 1676.