Retheesh, K, Althaf Ali, Mathew Valamparambil, K Puhalenthi, and T Radhakrishnan. “A Cross Sectional Study on the Effectiveness of RNTCP - DOT Providers in Thiruvananthapuram, Kerala”. Kerala Medical Journal 2, no. 4 (December 31, 2009): 105-111. Accessed May 19, 2024. https://www.keralamedicaljournal.com/index.php/KMJ/article/view/145.