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.
Gecht J, Mainz V, Boecker M, Clusmann H, Geiger MF, Tingart M, Quack V, Gauggel S, Heinemann AW, Müller CA.Gecht J, et al. Among authors: mainz v.Health Qual Life Outcomes. 2017 Oct 10;15(1):196. doi: 10.1186/s12955-017-0767-9.Health Qual Life Outcomes. 2017.PMID: 29017570Free PMC article.
Quack V, Boecker M, Mueller CA, Mainz V, Geiger M, Heinemann AW, Betsch M, El Mansy Y.Quack V, et al. Among authors: mainz v.BMC Musculoskelet Disord. 2019 Nov 23;20(1):557. doi: 10.1186/s12891-019-2918-0.BMC Musculoskelet Disord. 2019.PMID: 31759398Free PMC article.