Niranjjan, R., S. K. Sahu, G. Roy, and S. A. Vijaya Vani. “Source of Previous Anti-TB Treatment for Re-Treatment TB Cases Registered under Revised National Tuberculosis Control Program in Pondicherry”. International Journal Of Community Medicine And Public Health, vol. 4, no. 9, Aug. 2017, pp. 3386-93, doi:10.18203/2394-6040.ijcmph20173850.