1. 1. Ait- Khaled N, Enarson D, Bousquet J. Chronic respiratory diseases in developing countries: The burden and strategies for prevention and management. Bull World Health Organ 2001;
2. 79:971–9.
3. 2. Report on causes of death in India 2001-2003. http://www.cghr.org/wordpress/wpcontent/ uploads/Causes_of_death_2001-03. pdf (accessed on 24th December 2013)
4. 3. Nongkynrih B, Patro B, Pandav C. Current status of communicable and non-communicable diseases in India. JAPI 2004; 52:118-23.
5. 4. Global asthma mortality. http://www.worldmapper.org/display_extra.php?selected=459 (accessed on 1st December 2013)