M. I. Novis, R. H. Baroni, L. M. de O. Cerri, R. L. Mattedi, and C. A. Buchpiguel, “ Clinically low-risk prostate cancer: evaluation with transrectal doppler ultrasound and functional magnetic resonance imaging ”, Clinics, vol. 66, no. 1, pp. 27–34, Jan. 2011, doi: 10.1590/S1807-59322011000100006.