Panderi, I. Yakirevich, E. Papagerakis, S. Noble, L. Lombardo, K. Pantazatos, D., Differentiating tumor heterogeneity in formalin-fixed paraffin-embedded (FFPE) prostate adenocarcinoma tissues using principal component analysis of matrix-assisted laser desorption/ionization imaging mass spectral data, Rapid Communications in Mass Spectrometry, (31), 160-170, 2017, John Wiley and Sons Ltd, 0951-4198, 1097-0231