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.
Zhang HZ, Li YY, An T, Huang FX, Wang MQ, Liu CX, Mao JJ, Zhang LS.Zhang HZ, et al. Among authors: mao jj.Front Physiol. 2018 Nov 30;9:1697. doi: 10.3389/fphys.2018.01697. eCollection 2018.Front Physiol. 2018.PMID: 30555341Free PMC article.