CORRESPONDENCE: Authors' reply
Basnyat
PS
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.
Biffin
AH
Moseley
LG
Hedges
AR
Lewis
ME