Interpretable dimensionality reduction and classification of mass spectrometry imaging data in a visceral pain model via non-negative matrix factorization. - Pathirage, Kasun; Virmani, Aman; Scott, Alison J.; Traub, Richard J.; Ernst, Robert K.; Ghodssi, Reza; Babadi, Behtash; Abshire, Pamela Ann (PLoS ONE, 2024)