Authors: W J Catalona; D S Smith; T L Ratliff; K M Dodds; D E Coplen; J J Yuan; J A Petros; G L Andriole Journal: N Engl J Med Date: 1991-04-25 Impact factor: 91.245
Authors: E D Crawford; M J Schutz; S Clejan; J Drago; M I Resnick; G W Chodak; L G Gomella; M Austenfeld; N N Stone; B J Miles Journal: JAMA Date: 1992 Apr 22-29 Impact factor: 56.272