Hua, Jian-lan; Hu, Wei-ping; Zuo, Yi-hui; Zhang, Jing . (2020). <p>Prevention of Acute Exacerbation in Subjects with Moderate-to-very Severe COPD by Modulating Lower Respiratory Microbiome: Protocol of a Prospective, Multicenter, Randomized Controlled Trial</p>. International Journal of Chronic Obstructive Pulmonary Disease, Volume 15(), 2985–2990.
doi:10.2147/COPD.S274005
