1. Patterns of Sedation and Analgesia in the Postoperative ICU Patient
Xiaolu Sun, M.D., Thomas Quinn, M.D., Charles Weissman, M.D. 
CHEST 
Volume 101, Issue 6, Pages (June 1992)
DOI: /chest
Copyright © 1992 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Distribution of surgical procedures in groups A and B. There were no differences between the groups except orthopedic surgery (p<0.05).
CHEST  , DOI: ( /chest )
Copyright © 1992 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Distribution of surgical procedures in patients receiving continuous intravenous Fentanyl infusions.
CHEST  , DOI: ( /chest )
Copyright © 1992 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Distribution of surgical procedures in patients receiving Fentanyl by epidural route.
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Copyright © 1992 The American College of Chest Physicians Terms and Conditions

5. Figure 4
Frequency of sedative and/or analgesic boluses in the intubated and extubated groups (including narcotics, hypnotics and anti-psychotics).
CHEST  , DOI: ( /chest )
Copyright © 1992 The American College of Chest Physicians Terms and Conditions