1. Trends of extra-pulmonary tuberculosis under revised national tuberculosis control programme: A study from South Delhi;V K Arora;Indian J Tuberc,2006
2. Testing HIV infection among TB patients in Los Angeles;S M Asch;Am J Resp Crit Care Med,1997
3. Surveillance of HIV infection in Haryana;D R Arora;Indian J Community Med,2000
4. Two year incidence to tuberculosis in cohorts of HIV infected and un-infected Rwandan women;S Allen;Ameri.rev.Res.dises,1992