Research Article
Topical anaesthesia in upper gastrointestinal endoscopy.
British Medical Journal 1991; 303 doi: https://doi.org/10.1136/bmj.303.6804.695 (Published 21 September 1991) Cite this as: British Medical Journal 1991;303:695This is a PDF-only article. The first page of the PDF of this article appears above.