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.
Zietek M, Konopka T, Radwan-Oczko M, Kozłowski Z.Zietek M, et al. Among authors: konopka t.Polim Med. 1999;29(3-4):49-59.Polim Med. 1999.PMID: 10858768Clinical Trial.Polish.
Zietek M, Radwan-Oczko M, Konopka T, Kozłowski Z.Zietek M, et al. Among authors: konopka t.Polim Med. 1998;28(3-4):63-9.Polim Med. 1998.PMID: 10093157Clinical Trial.Polish.