@article {Hall-Craggs233, author = {M A Hall-Craggs and W R Lees}, title = {Fine needle biopsy: cytology, histology or both?}, volume = {28}, number = {3}, pages = {233--236}, year = {1987}, doi = {10.1136/gut.28.3.233}, publisher = {BMJ Publishing Group}, issn = {0017-5749}, URL = {https://gut.bmj.com/content/28/3/233}, eprint = {https://gut.bmj.com/content/28/3/233.full.pdf}, journal = {Gut} }