A Clinical Investigation authored by Loke et al. published in the March 1998 issue of Anesthesiology (1998; 88: 589–600) contained incomplete information. The correct author affiliation list should be: Julian C.P. Loke, M.B.B.S., B.Med.Sc., F.R.C.P.C., *[dagger] David H. MacLennan, Ph.D., F.R.S.*

*Banting and Best Department of Medical Research, University of Toronto.

[dagger] Department of Anesthesia, Malignant Hyperthermia Investigation Unit, The Toronto Hospital and Mount Sinai Hospital, University of Toronto.

Correspondence authored by Woehlck et al. published in the April 1998 issue of Anesthesiology (1998; 88:1126–7) contained an error. Figure 1and Figure 2were interchanged. The legends are labeled correctly.