这份2025年各类留学考试日历供大家参考,包含IELTS、TOEFL、A-Level、IGCSE、IB、AP、GRE、ACT、SAT等考试信息! IELTS 2025年1月-3月共公布10个纸笔考试日期,65个雅思机考日期。为了方便每一位考生参加考试,纸笔考试的日期全部设在...
The biological significance of accumulation of oxysterols in the lens is still poorly understood. However, it has been proposed that cholesterol may act as an antioxidant. This study was designed to establish whether cholesterol may act as an antioxidant in the lens. Methods : Bovine lens ...