1. From the Department of Urology, University of Texas Southwestern Medical Center, Dallas and Department of Surgery, University of Texas Health Science Center, San Antonio and Wilford Hall Medical Center, Lackland Air Force Base, Texas, and Departments of Urology, University of Michigan, Ann Arbor, Michigan, University of Wisconsin at Madison, Madison, Wisconsin, Carson City, Nevada, University of Indiana, Methodist Hospital, Indianapolis, Indiana, University of Utah, Salt Lake City, Utah, University...