@article {e4, editor = {,}, title = {Subject index}, volume = {51}, number = {6}, pages = {e4--e4}, year = {2002}, doi = {10.1136/gut.51.6.e4}, publisher = {BMJ Publishing Group}, issn = {0017-5749}, URL = {https://gut.bmj.com/content/51/6/e4}, eprint = {https://gut.bmj.com/content/51/6/e4.full.pdf}, journal = {Gut} }