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.
Zhou YB, Ma L, Xiao YY.Zhou YB, et al. Among authors: ma l.BMJ. 2021 Aug 18;374:n1952. doi: 10.1136/bmj.n1952.BMJ. 2021.PMID: 34407966No abstract available.
Zhou YB, Xiao YY, Chao JJ, Ma L.Zhou YB, et al. Among authors: ma l.Front Med (Lausanne). 2021 Nov 26;8:783086. doi: 10.3389/fmed.2021.783086. eCollection 2021.Front Med (Lausanne). 2021.PMID: 34901093Free PMC article.
Wei L, Li L, Xu Z, Zhang B, Han X, Wang C, Liu Y, Xiu B, Qiu L, Sun Y, Ma L.Wei L, et al. Among authors: ma l.Front Pediatr. 2022 Mar 28;10:760401. doi: 10.3389/fped.2022.760401. eCollection 2022.Front Pediatr. 2022.PMID: 35419320Free PMC article.
Li L, Yu L, He H, Wei L, Xu Z, Zhao L, Sun Y, Zhang B, Liu Y, He R, Wang X, Ma L.Li L, et al. Among authors: ma l.Front Pediatr. 2022 May 2;10:849496. doi: 10.3389/fped.2022.849496. eCollection 2022.Front Pediatr. 2022.PMID: 35586822Free PMC article.