1. The social construction of sexually transmitted infections (STIs) in South African communities;Shefer T;Qual Health Res,2002
2. Epidemiologic synergy: Interrelationships between human immunodeficiency virus infection and other sexually transmitted diseases;Wasserheit JN;Sex Transm Dis,1992
3. Ayres RU
. Turning point: An end to the growth paradigm. 1998 London: Earthscan Publications 63.
4. Ministry of Economic Affairs and Statistics. Official Pakistani population clock Last accessed on 2010 Feb 11 Available from:
http://www.statpak.gov.pk/depts/pco/.
.
5. Population Census Organization of Pakistan. Population size and growth of major cities 1998 census Last accessed on 2010 Feb 11 Available from:
http://www.statpak.gov.pk/depts/pco/statistics/pop_major_cities/pop_major_cities.html
.