D. John Doyle
MD, PhD, FRCPC.
Staff Anaesthetist,
Department of Anaesthesia,
The Toronto Hospital.
Associate Professor,
University of Toronto.
and
Alan N. Sandle,
MB, ChB, MSc, FRCPC.
Anaesthetist-in-Chief,
Department of Anaesthesia,
The Toronto Hospital.
Associate Professor,
University of Toronto.
Canada.