Authors' reply.
Division of Urology, Department of Surgery, Kwong Wah Hospital, Yaumatei, Hong Kong.
C L
CL
Cho
Division of Urology, Department of Surgery, Kwong Wah Hospital, Yaumatei, Hong Kong.
Clarence L H
CL
Leung
Division of Urology, Department of Surgery, Kwong Wah Hospital, Yaumatei, Hong Kong.
Wayne K W
WK
Chan
Division of Urology, Department of Surgery, Kwong Wah Hospital, Yaumatei, Hong Kong.
Ringo W H
RW
Chu
Division of Urology, Department of Surgery, Kwong Wah Hospital, Yaumatei, Hong Kong.
I C
IC
Law