Meta-analysis of vitamin D and lung function in patients with asthma
Respiratory Research Research – Open Access Jian Liu, Yong-Quan Dong, Jie Yin, Jian Yao, Jie Shen, Guo-Jie Sheng, Kun Li, Hai-Feng Lv, Xing Fang & Wei-Fang Wu Respiratory Research volume 20, Article number: 161 (2019) Abstract Background There is growing literature suggesting a link between…