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Smith IL, Taskintuna I, Rahhal FM, Powell HC, Ai E, Mueller AJ, Spector SA, Freeman WR.Smith IL, et al. Among authors: powell hc.Arch Ophthalmol. 1998 Feb;116(2):178-85. doi: 10.1001/archopht.116.2.178.Arch Ophthalmol. 1998.PMID: 9488269
Rearden A, Hurford R, Luu N, Kieu E, Sandoval M, Perez-Liz G, Del Valle L, Powell H, Langford TD.Rearden A, et al.J Neurosci Res. 2008 Aug 15;86(11):2535-42. doi: 10.1002/jnr.21701.J Neurosci Res. 2008.PMID: 18459134Free PMC article.
Svensson CI, Schäfers M, Jones TL, Powell H, Sorkin LS.Svensson CI, et al.Neurosci Lett. 2005 May 13;379(3):209-13. doi: 10.1016/j.neulet.2004.12.064. Epub 2005 Jan 26.Neurosci Lett. 2005.PMID: 15843065