SEARCH Articles Figures Tables General Properties of Chromatography-Mass Spectrometry Coupling Isotope ratio mass spectrometry general Mass spectrometry (General) Mass spectrometry general applications Mass spectrometry general features Quadrupole mass, generally spectrometry Small-molecule , generally mass spectrometry Tandem mass spectrometry general principle Tandem mass spectrometry techniques, generally The general status of mass spectrometry in peptide analysis