Kassandra L.Munger, M.Sc., of the Harvard School of Public Health, Boston, and colleagues examined whether high blood levels of 25-hydroxyvitamin D is linked with a lower risk of MS.

• 波士顿哈佛大学公共健康学院硕士KassandraLMunger，和同事们研究了高水平的25-羟基维生素D是否与患多发性硬化的风险下降有联系。