Comparison of differing sedation practice for upper endoscopic ultrasound using expert observational analysis of the procedural sedation

Comparison of differing sedation practice for upper endoscopic ultrasound using expert observational analysis of the procedural sedation.
Trummel JM, Surgenor SD, Cravero JP, Gordon SR, Blike GT.
J Patient Saf. 2009 Sep; 5(3):153-9.  PMID:  19927048.