title: Clinical usefulness of nuclear magnetic resonance (NMR). Case report and summary of current applications.
mesh_terms: D018219:Histiocytoma, Benign Fibrous / Q000175:diagnosis*; D006801:Humans; D006859:Hydrogen; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D008875:Middle Aged; D011522:Protons; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*
chemical_list: D011522:Protons; D006859:Hydrogen