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.
Rosolová H, Mayer O Jr, Simon J, Sefrna F.Rosolová H, et al. Among authors: sefrna f.Cas Lek Cesk. 1998 Feb 9;137(3):80-3.Cas Lek Cesk. 1998.PMID: 9511276Czech.
Mayer O Jr, Rosolová H, Sefrna F, Neumann M, Simon J.Mayer O Jr, et al. Among authors: sefrna f.Cas Lek Cesk. 1998 Apr 6;137(7):207-10.Cas Lek Cesk. 1998.PMID: 9650342Czech.