Smith, Lesley A.; Oldman, Anna D.*; McQuay, Henry J.; Moore, Andrew R.
Pain Research, Nuffield Department of Anaesthetics, University of Oxford, The Churchill, Oxford Radcliffe Hospital, Headington, Oxford OX3 7LJ, UK
*Corresponding author. Tel.: +44-1865-225774; fax: +44-1865-226-978
E-mail: [email protected]
Received 19 July 1999; received in revised form 8 December 1999; accepted 23 December 1999.