Causes of bolus impaction in the esophagus.
Kirchner GI, Zuber-Jerger I, Endlicher E, Gelbmann C, Ott C, Ruemmele P, Schölmerich J, Klebl F.
Kirchner GI, et al. Among authors: scholmerich j.
Surg Endosc. 2011 Oct;25(10):3170-4. doi: 10.1007/s00464-011-1681-6. Epub 2011 Apr 13.
Surg Endosc. 2011.
PMID: 21487866