1. Volume 197, Issue 2, Pages S200-S207 (February 2017)
Comparison of Digital Rectal Examination and Serum Prostate Specific Antigen in the Early Detection of Prostate Cancer: Results of a Multicenter Clinical Trial of 6,630 Men 
William J. Catalona, Jerome P. Richie, Frederick R. Ahmann, M'Liss A. Hudson, Peter T. Scardino, Robert C. Flanigan, Jean B. DeKernion, Timothy L. Ratliff, Louis R. Kavoussi, Bruce L. Dalkin, W. Bedford Waters, Michael T. MacFarlane, Paula C. Southwick 
The Journal of Urology 
Volume 197, Issue 2, Pages S200-S207 (February 2017)
DOI: /j.juro
Copyright © 1994 American Urological Association, Inc. Terms and Conditions

2. Fig. 1
Summary flow chart of study design. BX-, biopsy negative, BX+, biopsy positive. TRUS, transrectal ultrasound. DRE, digital rectal examination.
The Journal of Urology  , S200-S207DOI: ( /j.juro )
Copyright © 1994 American Urological Association, Inc. Terms and Conditions

3. Fig. 2
Positive predictive value. DRE, digital rectal examination. TRUS, transrectal ultrasound. +, positive. −, negative.
The Journal of Urology  , S200-S207DOI: ( /j.juro )
Copyright © 1994 American Urological Association, Inc. Terms and Conditions