From the Urology Service, Department of Surgery, Wilford Hall United States Air Force Hospital, Aerospace Medical Division, Lackland Air Force Base, Texas
*Current address: 20 St. Marys Grove, London N1, England.
Accepted for publication November 1970.
Journal of Urology 106(2):p 243-247, August 1971. | DOI: 10.1016/S0022-5347(17)61267-9