Alfentanil for conscious sedation during colonoscopy.
Balaklaw
L A
LA
D015760:Alfentanil; D000701:Analgesics, Opioid; D003113:Colonoscopy; D016292:Procedural Sedation / Q000379:methods*; D006801:Humans; D012107:Research Design
D000701:Analgesics, Opioid; D015760:Alfentanil