"Determination of porphyrins in oral bacteria by liquid chromatography electrospray ionization tandem mass spectrometry". ... Lim, C.K. High performance liquid chromatography and mass spectrometry of porphyrins, chloraphylls and bilins ^ [a b] W Rüdiger ...
Oligosaccharide sequences in Quillaja saponins by electrospray ionization ion trap multiple-stage mass spectrometry. Broberg ... Journal of Mass Spectrometry. 2004, Volym: 39, nummer: 6, sidor: 691-701 ...