K., D., M., A., E., V., C., S. and Basumallik, B. 2017. Gutkha ban in Chennai, India: is there any impact?. International Journal Of Community Medicine And Public Health. 4, 12 (Nov. 2017), 4595–4599. DOI:https://doi.org/10.18203/2394-6040.ijcmph20175336.