R. Banerjee, A. Das, S. P. Nandi, and A. Mandal, “Comparing Efficacy of Propranolol Plus Flunarizine Combination and Valproate Monotherapy in Migraine Prophylaxis in Rural Bengal -A Randomized Control Trial”, Int. J. Heal. Clin. Res., vol. 3, no. 10, pp. 46–53, Nov. 2020.