Biophysical contrast sources for magnetic susceptibility and R2* mapping: A combined 7 Tesla, mass spectrometry and electron paramagnetic resonance study. - Fábio Seiji Otsuka; María Concepción García Otaduy; Roberta Diehl Rodriguez; Christian Langkammer; Jeam Haroldo O. Barbosa; Carlos Ernesto Garrido Salmon (NeuroImage, 2024)