Fleshner, N E Clinical significance of small (less than 0.2 cm3) hypoechoic lesions in men with normal digital rectal examinations and prostate-specific antigen levels less than 10 ng/mL. [electronic resource] - Urology Feb 1999 - 356-8 p. digital Publication Type: Journal Article ISSN: 0090-4295 Standard No.: 10.1016/s0090-4295(98)00509-3 doi Subjects--Topical Terms: AdultAgedBiopsyHumansMaleMiddle AgedPalpationProspective StudiesProstate-Specific Antigen--bloodProstatic Neoplasms--bloodRectumUltrasonography