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.
K Szilágyi A, Kekecs Z, Varga K.K Szilágyi A, et al. Among authors: kekecs z.Ann Palliat Med. 2018 Jan;7(1):159-169. doi: 10.21037/apm.2017.05.04. Epub 2017 May 28.Ann Palliat Med. 2018.PMID: 28595447Free article.