@article {Shepherd177, author = {N A Shepherd}, title = {Biopsy Pathology of the Oesophagus, Stomach and Duodenum}, volume = {50}, number = {2}, pages = {177--178}, year = {1997}, doi = {10.1136/jcp.50.2.177-e}, publisher = {BMJ Publishing Group}, issn = {0021-9746}, URL = {https://jcp.bmj.com/content/50/2/177.5}, eprint = {https://jcp.bmj.com/content/50/2/177.5.full.pdf}, journal = {Journal of Clinical Pathology} }