EXTRA-ADRENAL PHEOCHROMOCYTOMA:A CAUSE OF URETERAL OBSTRUCTIONYADAV, SUBHASHSINGH, S. K.SHARMA, S. K.PURI, P. K.Author informationFrom the Affiliation Department of Urology, Postgraduate Institute of Medical Education and Research, Chandigarh, IndiaAccepted for publication August 27, 1999.Journal of Urology 163(1):p 264, January 2000.Copyright © 2000 by the American Urological Association, Inc.