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.
Nathan SD, Waxman A, Rajagopal S, Case A, Johri S, DuBrock H, De La Zerda DJ, Sahay S, King C, Melendres-Groves L, Smith P, Shen E, Edwards LD, Nelsen A, Tapson VF.Nathan SD, et al. Among authors: nelsen a.Lancet Respir Med. 2021 Nov;9(11):1266-1274. doi: 10.1016/S2213-2600(21)00165-X. Epub 2021 Jun 29.Lancet Respir Med. 2021.PMID: 34214475Clinical Trial.
Ramani G, Cassady S, Shen E, Broderick M, Wasik A, Sui Q, Nelsen A.Ramani G, et al. Among authors: nelsen a.Pulm Circ. 2020 Oct 27;10(3):2045894020923956. doi: 10.1177/2045894020923956. eCollection 2020 Jul-Sep.Pulm Circ. 2020.PMID: 35154662Free PMC article.