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.
Seidel A, Herrmann P, Klaus G, Mehls O, Schmidt-Gayk H, Ritz E.Seidel A, et al. Among authors: ritz e.Clin Nephrol. 1993 Apr;39(4):210-3.Clin Nephrol. 1993.PMID: 8491051