Characterisation of polysaccharides by in-source pyrolysis positive- and negative-ion direct chemical ionisation-mass spectrometry Back to all publications Publication date 1 January 1991 Reference J.A. Lomax, J.J. Boon and R.A. Hoffmann, Characterisation of polysaccharides by in-source pyrolysis positive- and negative-ion direct chemical ionisation-mass spectrometry, Carbohydr. Res. 221, 219-233 (1991) Request this article