Retraction of: Sato Y, Kondo I, Ishida S, Motooka H, Takayama K, Tomita Y, Maeda H, Satoh K . Decreased bone mass and increased bone turnover with valproate therapy in adults with epilepsy. Neurology. 2001 Aug 14;57(3):445-9. Erratum in: Neurology. 2020 May 5;94(18):804-805. PMID: 11502911