Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Https

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

357 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Association between comorbidity and clinical characteristics of MS.
Marrie RA, Horwitz RI, Cutter G, Tyry T, Vollmer T. Marrie RA, et al. Among authors: horwitz ri. Acta Neurol Scand. 2011 Aug;124(2):135-41. doi: 10.1111/j.1600-0404.2010.01436.x. Epub 2010 Sep 29. Acta Neurol Scand. 2011. PMID: 20880264 Free PMC article.
Comorbidity, socioeconomic status and multiple sclerosis.
Marrie R, Horwitz R, Cutter G, Tyry T, Campagnolo D, Vollmer T. Marrie R, et al. Among authors: horwitz r. Mult Scler. 2008 Sep;14(8):1091-8. doi: 10.1177/1352458508092263. Mult Scler. 2008. PMID: 18728060
Cumulative impact of comorbidity on quality of life in MS.
Marrie RA, Horwitz R, Cutter G, Tyry T. Marrie RA, et al. Among authors: horwitz r. Acta Neurol Scand. 2012 Mar;125(3):180-6. doi: 10.1111/j.1600-0404.2011.01526.x. Epub 2011 May 26. Acta Neurol Scand. 2012. PMID: 21615355 Free PMC article.
Use of Ephedra-containing products and risk for hemorrhagic stroke.
Morgenstern LB, Viscoli CM, Kernan WN, Brass LM, Broderick JP, Feldmann E, Wilterdink JL, Brott T, Horwitz RI. Morgenstern LB, et al. Among authors: horwitz ri. Neurology. 2003 Jan 14;60(1):132-5. doi: 10.1212/01.wnl.0000042092.20411.5b. Neurology. 2003. PMID: 12525737
357 results