Fig. 4From: Effects of valproic acid on skeletal metabolism in children with epilepsy: a systematic evaluation and meta-analysis based on 14 studiesComparison of serum osteocalcin and 25-hydroxy-vitamin D between valproic acid group and healthy control group. a and b Osteocalcin and 25-hydroxy-vitamin D in children with epilepsy were not affected by the long-term use of valproic acid. CI, confidence intervalBack to article page