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.
Andreisek G, Imhof M, Wertli M, Winklhofer S, Pfirrmann CW, Hodler J, Steurer J; Lumbar Spinal Stenosis Outcome Study Working Group Zurich.Andreisek G, et al. Among authors: winklhofer s.AJR Am J Roentgenol. 2013 Nov;201(5):W735-46. doi: 10.2214/AJR.12.10163.AJR Am J Roentgenol. 2013.PMID: 24147503Review.
Ulrich NH, Kleinstück F, Woernle CM, Antoniadis A, Winklhofer S, Burgstaller JM, Farshad M, Oberle J, Porchet F, Min K; LumbSten Research Collaboration.Ulrich NH, et al. Among authors: winklhofer s.Spine (Phila Pa 1976). 2015 Mar 15;40(6):415-22. doi: 10.1097/BRS.0000000000000765.Spine (Phila Pa 1976). 2015.PMID: 25774464Free article.