title: Donald Gleason and the grading of prostate cancer.
authors.forename: Ross
authors.initials: R
authors.lastname: MacKenzie
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008297:Male; D010338:Pathology, Clinical / Q000266:history*; D011471:Prostatic Neoplasms / Q000266:history* / Q000473:pathology; D014481:United States