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.
Greinke S, Brandenburg U, Penzel T, Peter JH, von Wichert P.Greinke S, et al. Among authors: brandenburg u.Pneumologie. 1993 Dec;47 Suppl 4:722-5.Pneumologie. 1993.PMID: 8153095German.
Mayer J, Becker H, Brandenburg U, Penzel T, Peter JH, von Wichert P.Mayer J, et al. Among authors: brandenburg u.Cardiology. 1991;79(2):84-92. doi: 10.1159/000174864.Cardiology. 1991.PMID: 1933970
Värri A, Penzel T, Brandenburg U, Peter JH.Värri A, et al. Among authors: brandenburg u.Pneumologie. 1995 Mar;49 Suppl 1:108-12.Pneumologie. 1995.PMID: 7617590
Becker H, Brandenburg U, Peter JH, Von Wichert P.Becker H, et al. Among authors: brandenburg u.Am J Respir Crit Care Med. 1995 Jan;151(1):215-8. doi: 10.1164/ajrccm.151.1.7812557.Am J Respir Crit Care Med. 1995.PMID: 7812557
Penzel T, Brandenburg U, Peter JH.Penzel T, et al. Among authors: brandenburg u.Pneumologie. 1993 Dec;47 Suppl 4:726-30.Pneumologie. 1993.PMID: 8153096German.