Pouw RE, Heldoorn N, Alvarez Herrero L, ten Kate FJ, Visser M, Busch OR, et al. Do we still need EUS in the workup of patients with early esophageal neoplasia? A retrospective analysis of 131 cases. Gastrointest Endosc 2011 Apr;73(4):662-8 Abstract available at http://www.ncbi.nlm.nih.gov/pubmed/21272876.
Compare quality appraisals for each clinical question