Petritis, K Parameter optimization for the analysis of underivatized protein amino acids by liquid chromatography and ionspray tandem mass spectrometry. [electronic resource] - Journal of chromatography. A Oct 2000 - 253-63 p. digital Publication Type: Journal Article ISSN: 0021-9673 Standard No.: 10.1016/s0021-9673(00)00582-3 doi Subjects--Topical Terms: Amino Acids--analysisChromatography, Liquid--methodsProteins--chemistrySpectrometry, Mass, Electrospray Ionization--methods