Pandiyan, J. ., M. . Tripathi, S. Gupta, S. . Gulati, P. . Sylaja, V. . Nambiar, K. . Goyal, P. K. . Misra, and S. E. Sreedharan. “Headache”. Journal of the Epidemiology Foundation of India, vol. 2, no. (1Supp), May 2024, pp. S197 - S198, doi:10.56450/JEFI.2024.v2i1Suppl.099.