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.
Farshad M, Burgstaller JM, Held U, Steurer J, Dennler C.Farshad M, et al. Among authors: steurer j.Spine (Phila Pa 1976). 2018 Aug 1;43(15):1089-1094. doi: 10.1097/BRS.0000000000002542.Spine (Phila Pa 1976). 2018.PMID: 29300251Free article.
Burgstaller JM, Wertli MM, Steurer J, Kessels AGH, Held U, Gramke HF; LSOS Study Group.Burgstaller JM, et al. Among authors: steurer j.Spine (Phila Pa 1976). 2017 Apr 1;42(7):E425-E432. doi: 10.1097/BRS.0000000000001845.Spine (Phila Pa 1976). 2017.PMID: 27509192Free article.