J. R. C. CHAUDHURI, K. R. MRIDULA, C. RATHNAKISHORE, B. BALARAJU, and V. S. BANDARU, “Association of 25-Hydroxyvitamin D Deficiency in Pediatric Epileptic Patients”, Iran J Child Neurol, vol. 11, no. 2, pp. 48–56, Apr. 2017.