1. AIDS epidemic update 2008 UNAIDS/WHO (2007) working group on global HIV/AIDS surveillance http://www.unaids.org
2. National Aids Control Organisation Monthly update (March 2009) Surveillance of HIV infection /AIDS cases India http://www.nic.in/naco/update.html
3. 1994 Revised classification system for human immunodeficiency virus infection in children less than 13 years of age;Centers for Disease Control;MMWR Morb Mortal Wkly Rep,1994
4. Clinical profile of HIV infection;Merchant;Indian Paediatrics,2001
5. Age related clinical manifestations of HIV infection in Indian children;Shah;J Trop Pediatr,2005