%0 Journal Article %J Journal of the American Society for Mass Spectrometry %D 2009 %T Modifying the Charge State Distribution of Proteins in Electrospray Ionization Mass Spectrometry by Chemical Derivatization %A Krusemark, C. J. %A Frey, B. L. %A Belshaw, P. J. %A L. M. Smith %B Journal of the American Society for Mass Spectrometry %V 20 %P 1617-1625 %8 Sep %G eng %2 PMC2776692 %R 10.1016/j.jasms.2009.04.017 %F ISI 2009 10 29