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.
Wilińska M, Walas W, Kamińska E, Malec Milewska M, Sękowska A, Helwich E.Wilińska M, et al. Among authors: walas w.Dev Period Med. 2019;23(4):233-244. doi: 10.34763/devperiodmed.20192304.233244. Epub 2021 Jan 29.Dev Period Med. 2019.PMID: 31913139
Wilińska M, Walas W, Kamińska E, Malec Milewska M, Sękowska A, Helwich E.Wilińska M, et al. Among authors: walas w.Dev Period Med. 2019;23(4):227-232. doi: 10.34763/devperiodmed.20192304.227232. Epub 2021 Jan 29.Dev Period Med. 2019.PMID: 31913138
Stempniewicz K, Walas W, Gregorek-Pełka E, Kamińska E.Stempniewicz K, et al. Among authors: walas w.Dev Period Med. 2014;18(2):221-7.Dev Period Med. 2014.PMID: 25182262Polish.