Sunlight is the primary way to get vitamin d, although taking certain nutritional supplements — like cod liver oil — can also help.
阳光是获取维生素d的主要途径，此外，摄取一些营养补充剂如鳕雨鱼肝油也会有所帮助。
2
The present systematic review updates and reassesses the benefits and harms of vitamin D supplementation used in primary and secondary prophylaxis of mortality.
现行的系统性回顾已更新且重新评估了维生素 D 的补充在初级和次级预防死亡率中的好处与坏处。
3
Objective To study the association between the polymorphisms of vitamin D receptor (VDR) gene and autoimmune liver diseases and (AIH) and primary biliary cirrhosis (PBC) in Chinese.