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Petrillo DE, Kohli RK, Molander GA.Petrillo DE, et al. Among authors: molander ga.J Am Soc Mass Spectrom. 2007 Mar;18(3):404-5. doi: 10.1016/j.jasms.2006.10.013. Epub 2006 Nov 16.J Am Soc Mass Spectrom. 2007.PMID: 17112738Free PMC article.