Fig. 4From: Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry for differential identification of adult Schistosoma wormsIntraspecies classification of adult worms of Schistosoma species by an unsupervised algorithm. Two-dimensional view of a PCA based on a peak matrix generated with a threshold of 1% and TICp. For abbreviations, see Fig. 3Back to article page