12
Participants
Start Date
August 31, 1996
Primary Completion Date
November 30, 1997
Study Completion Date
November 30, 1997
15 % Nitrous oxide
0.3 % Sevoflurane
30% Nitrous oxide
0.6% Sevoflurane
Placebo
University of Chicago, Anesthesia & Critical Care, Chicago
National Institute on Drug Abuse (NIDA)
NIH
University of Chicago
OTHER