Anaesthesia for colonoscopy.
Runcie
D G
DG
D015760:Alfentanil / Q000627:therapeutic use; D000698:Analgesia; D000768:Anesthesia, General; D003113:Colonoscopy; D005283:Fentanyl / Q000627:therapeutic use; D006801:Humans
D015760:Alfentanil; D005283:Fentanyl