Greenwald BD, Dumot JA, Horwhat JD, Lightdale CJ, Abrams JA. Safety, tolerability, and efficacy of endoscopic low-pressure liquid nitrogen spray cryotherapy in the esophagus. Dis Esophagus 2010 Jan;23(1):13-9 Abstract available at http://www.ncbi.nlm.nih.gov/pubmed/19515183.
Compare quality appraisals for each clinical question
- What is the best endoscopic treatment for high grade dysplasia in patients with BO?
- What is the best endoscopic management of early oesophageal adenocarcinoma?