1. Ortiz V, García-Campos M, Sáez-González E, delPozo P, Garrigues V. A concise review of opioid-induced esophageal dysfunction: is this a new clinical entity? Dis Esophagus. 2018; 31:1–6.
Article
2. Kahrilas PJ, Bredenoord AJ, Fox M, et al. The Chicago classification of esophageal motility disorders, v3.0. Neurogastroenterol Motil. 2015; 27:160–174.
Article
3. Scherer JR, Kwiatek MA, Soper NJ, Pandolfino JE, Kahrilas PJ. Functional esophagogastric junction obstruction with intact peristalsis: a heterogeneous syndrome sometimes akin to achalasia. J Gastrointest Surg. 2009; 13:2219–2225.
Article
4. Shin IS, Min YW, Rhee PL. Esophagogastric junction outflow obstruction transformed to type II achalasia. J Neurogastroenterol Motil. 2016; 22:344–345.
Article
5. Pandolfino JE, Gawron AJ. Achalasia: a systematic review. JAMA. 2015; 313:1841–1852.
6. DeLay K, Austin GL, Menard-Katcher P. Anatomic abnormalities are common potential explanations of manometric esophagogastric junction outflow obstruction. Neurogastroenterol Motil. 2016; 28:1166–1171.
Article
7. Hirano I, Tatum RP, Shi G, Sang Q, Joehl RJ, Kahrilas PJ. Manometric heterogeneity in patients with idiopathic achalasia. Gastroenterology. 2001; 120:789–798.
Article
8. Sodikoff JB, Lo AA, Shetuni BB, Kahrilas PJ, Yang GY, Pandolfino JE. Histopathologic patterns among achalasia subtypes. Neurogastroenterol Motil. 2016; 28:139–145.
Article
9. Goldblum JR, Whyte RI, Orringer MB, Appelman HD. Achalasia. A morphologic study of 42 resected specimens. Am J Surg Pathol. 1994; 18:327–337.
10. Mittal RK, Kassab G, Puckett JL, Liu J. Hypertrophy of the muscularis propria of the lower esophageal sphincter and the body of the esophagus in patients with primary motility disorders of the esophagus. Am J Gastroenterol. 2003; 98:1705–1712.
Article
11. Pérez-Fernández MT, Santander C, Marinero A, Burgos-Santamaría D, Chavarría-Herbozo C. Characterization and follow-up of esophagogastric junction outflow obstruction detected by high resolution manometry. Neurogastroenterol Motil. 2016; 28:116–126.
Article