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Endoscopy
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An unusual cause of dysphagia
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Contributors Conception and Design: PC. Analysis and Interpretation of Data: BM, RR, NT, BG. Drafting of the Article: PC, RR. Critical Revision: BM, NT, BG. Final Approval: PC,BM, RR, NT.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.