NMR Imaging In Medicine
Nuclear magnetic resonance (NMR) accomplishes submillimetre resolution with 60 m waves, without a trace of harmful effects to the living tissue. NMR is the only modality that permits monitoring of physiological processes on the molecular level and can even distinguish normal from pathological.
L. T. Bilaniuk and Oleksa-Myron Bilaniuk.
"NMR Imaging In Medicine".