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  1. Authors

G.C. Durkan, FRCSI, Specialist Registrar in Urology.

N. Sheikh, FRCSI, Associate Specialist in Urology.

P. Johnson, MS, FRCS(Urol), Consultant Urologist.

A.J. Hildreth, MSc, Statistician.

D.R. Greene, MCh, FRCS(Urol), Consultant Urologist.


peripheral zone


transitional zone


prostatic intraepithelial neoplasia.