Correspondence
Cannulation of difficult oesophageal strictures with angiographic catheters
Br Med J (Clin Res Ed) 1986; 293 doi: https://doi.org/10.1136/bmj.293.6545.509 (Published 23 August 1986) Cite this as: Br Med J (Clin Res Ed) 1986;293:509
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