Iirola, Timo T.a; Laaksonen, Mikko I.a; Vahlberg, Tero J.b; Pälve, Heikki K.a
aDepartment of Anaesthesia and Intensive Care, Turku University Hospital
bDepartment of Biostatistics, University of Turku, Turku, Finland
Correspondence and requests for reprints to Dr Timo T. Iirola, MD, Department of Anaesthesia and Intensive Care, Turku University Hospital, PL 52, FIN-20521 Turku, Finland
Tel: +358 2 313 0594; fax: +358 2 313 3960; e-mail: [email protected]
Sponsorship: This study has been supported by the Turku University Foundation.
Received 21 December 2005 Accepted 8 March 2006
doi: 10.1097/01.mej.0000224429.51623.fb