A convenient method for the generation of negative and positive electrospray ionization mass spectra of proteins by gas-phase admission of volatile bases and acids via the nebulizing gas
C. Fierens et al., A convenient method for the generation of negative and positive electrospray ionization mass spectra of proteins by gas-phase admission of volatile bases and acids via the nebulizing gas, RAP C MASS, 15(6), 2001, pp. 451-453