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Fernandez-Lima FA, Eller MJ, Debord JD, Verkhoturov SV, Della-Negra S, Schweikert EA.Fernandez-Lima FA, et al.Nucl Instrum Methods Phys Res B. 2012 Feb 15;273:270-273. doi: 10.1016/j.nimb.2011.07.092.Nucl Instrum Methods Phys Res B. 2012.PMID: 22393269Free PMC article.