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Smith SS, Ludwig M, Wohler JE, Bullard DC, Szalai AJ, Barnum SR.Smith SS, et al.Neurosci Lett. 2008 Sep 12;442(2):158-60. doi: 10.1016/j.neulet.2008.07.005. Epub 2008 Jul 6.Neurosci Lett. 2008.PMID: 18634851Free PMC article.
Golshani KR, Ludwig MR, Cohn PL, Kruse R.Golshani KR, et al. Among authors: ludwig mr.Del Med J. 2016 Jun;88(6):178-85.Del Med J. 2016.PMID: 27506061No abstract available.
Peake DE, Gray CL, Ludwig MR, Hill CD.Peake DE, et al. Among authors: ludwig mr.Ann Emerg Med. 1999 Jan;33(1):67-72. doi: 10.1016/s0196-0644(99)70419-1.Ann Emerg Med. 1999.PMID: 9867889