Association Between Duration of Valproic Acid Therapy, Serum calcium Levels, and Nutritional Status in Children with Epilepsy. - Sumartiya, Sherly; Urfianty; Anggriani, Hadia; Ganda, Idham Jaya; Baso, Aidah Juliaty A.; Maddeppungeng, Martira (Journal of Chemical Health Risks, 2026)