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.
Opravil M, Pechère M, Speich R, Joller-Jemelka HI, Jenni R, Russi EW, Hirschel B, Lüthy R.Opravil M, et al. Among authors: hirschel b.Am J Respir Crit Care Med. 1997 Mar;155(3):990-5. doi: 10.1164/ajrccm.155.3.9117037.Am J Respir Crit Care Med. 1997.PMID: 9117037
Pechere M, Hirschel B.Pechere M, et al. Among authors: hirschel b.Presse Med. 1995 Jan 28;24(4):239.Presse Med. 1995.PMID: 7899377French.No abstract available.