An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Gao YH, Cui JJ, Wang LY, Yin KQ, Wang L, Zhang GJ, Liu SX.Gao YH, et al. Among authors: zhang gj.Respir Res. 2018 May 9;19(1):86. doi: 10.1186/s12931-018-0790-3.Respir Res. 2018.PMID: 29743118Free PMC article.