Publications by authors named "C Kollapan"
Annual risk of tuberculous infection in four defined zones of India: a comparative picture.
Int J Tuberc Lung Dis
May 2005
Setting: Twenty-six selected districts in India.
Objectives: To estimate the average annual risk of tuberculous infection (ARTI) in four defined zones in the country.
Study Design: A tuberculin survey was conducted in selected clusters of 26 districts in four defined zones of India.