CORRESPONDENCE: Authors' reply
Department of Surgery, Royal Glamorgan Hospital, (previously known as East Glamorgan General Hospital), Ynysmaerdy, Llantrisant CF72 8XR. All Wales Audit Resource Unit, Cardiff, University of Glamorgan, Pontypridd, Department of Surgery, Princess o.
PS
Basnyat
AH
Biffin
LG
Moseley
AR
Hedges
ME
Lewis