RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58110363 T1 Esophageal Sphincter Dysfunction, Upper T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58110363 RD 2024/10/04 AB • Cervical dysphagia• Cricopharyngeal bar on barium swallow• Pharyngoesophageal diverticulum (Zenker diverticulum) in some patients