Intranasal fentanyl and high-concentration inhaled nitrous oxide for procedural sedation: a prospective observational pilot study of adverse events and depth of sedation.
Acad Emerg Med. 2012 Jan;19(1):31-6. doi: 10.1111/j.1553-2712.2011.01241.x.
Acad Emerg Med. 2012.
PMID: 22251190
Free article.