D. Das, M. M. Ahmed, P. K. Chowdhury, P. K. Dutta, and M. Chowwdhury, “Subclinical Hypothyroidism During Valproic Acid Therapy in Children with Epilepsy”, Chatt Maa Shi Hosp Med Coll J, vol. 17, no. 2, pp. 14–20, Jan. 2019.