Does compensatory hyperparathyroidism predispose to ischemic stroke? Decreased bone mass and increased bone turnover with valproate therapy in adults with epilepsy; An alternative to vitamin D supplementation to prevent fractures in patients with MS; High prevalence of vitamin D deficiency and reduced bone mass in Parkinson's disease

Because of known issues leading to several retractions of papers by Y. Sato et al., the editors of Neurology® have, as a matter of due diligence, researched other papers that this group published in Neurology. To ensure that the scientific literature is correct, the Editor chooses to publish an Expression of Concern regarding 3 observational studies and a Letter to the Editor published in Neurology prior to the retracted clinical trials.1–4
Source: Neurology - Category: Neurology Tags: EXPRESSION OF CONCERN Source Type: research