The Urologic clinics of North America. - Philadelphia : Saunders. - v. : illus., ports. ; 27 cm. - Quarterly - v. 9, no. 2 (June 1982)- ISSN: 0094-0143 = Subjects--Topical Terms: Urology. Urology. Index Terms--Genre/Form: Periodicals. National Library of Medicine Call No.: PER W1 / UR638