Magnetic resonance spectroscopy of the malignant prostate gland after radiotherapy: a histopathologic study of diagnostic validity. - Menard,C.; Smith,I.C.; Somorjai,R.L.; Leboldus,L.; Patel,R.; Littman,C.; Robertson,S.J.; Bezabeh,T. (Int J Radiat Oncol Biol Phys, 2001)