The Editors retract the article “An Alternative to Vitamin D Supplementation to Prevent Fractures in Patients With MS.”1 We previously published an Expression of Concern2 about this Letter to the Editor along with several other articles by Y. Sato and others. Since then, the other articles in the Expression of Concern have been retracted.
Background Nutritional visual defects are apparently uncommon nowadays in developed nations. Retinal change-related visual defects caused by hypovitaminoses may be underdiagnosed. Aim of the study…
There are several previous studies on the association of vitamin E with prevention of stroke but the findings remain controversial. We have conducted a systematic…
Objective To expand the genetic spectrum of hereditary spastic paraparesis by a treatable condition and to evaluate the therapeutic effects of biotin supplementation in an…
We are grateful for Dr. Kawada’s interest in our paper.1 There are indeed discrepancies between findings on vitamin C, beta-carotene, and the risk of Parkinson…
Objective Myotonic dystrophy is a multisystem disorder caused by a trinucleotide repeat expansion on the myotonic dystrophy protein kinase (DMPK) gene. To determine whether wildtype…
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