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Williams DK Jr, Comins DL, Whitten JL, Muddiman DC.Williams DK Jr, et al. Among authors: muddiman dc.J Am Soc Mass Spectrom. 2009 Nov;20(11):2006-12. doi: 10.1016/j.jasms.2009.07.019. Epub 2009 Aug 7.J Am Soc Mass Spectrom. 2009.PMID: 19734056Free PMC article.
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