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Smith EE, Charidimou A, Ayata C, Werring DJ, Greenberg SM.Smith EE, et al. Among authors: greenberg sm.Neurology. 2021 Aug 3;97(5):231-238. doi: 10.1212/WNL.0000000000012234. Epub 2021 May 20.Neurology. 2021.PMID: 34016709Free PMC article.Review.
Knudsen KA, Rosand J, Karluk D, Greenberg SM.Knudsen KA, et al. Among authors: greenberg sm.Neurology. 2001 Feb 27;56(4):537-9. doi: 10.1212/wnl.56.4.537.Neurology. 2001.PMID: 11222803