* Professor and Head, Department of Anesthesia, Flemish University of Brussels, School of Medecine, University Medical Center, Brussels; and Janssen Pharmaceutica, Beerse, Belgium.
† Assistant Professor, Department of Anesthesia, Flemish University of Brussels, School of Medecine, University Medical Center, Brussels; and Janssen Pharmaceutica, Beerse, Belgium.
‡ Research Scientist, Janssen Pharmaceutica, Flemish University of Brussels, School of Medecine, University Medical Center, Brussels; and Janssen Pharmaceutica, Beerse, Belgium.
Presented in part at the European Academy of Anesthesiology, 3rd Scientific Meeting, October 1, 1981, Vienna, Austria.
Reprint requests to Dr. Camu, Department of Anesthesia, Academisch Ziekenhuis VUB, Laarbeeklaan 101, 8–1090 Brussels, Belgium.
Accepted for publication April 15, 1982.
