TY  - RPRT
TI  - Classical signs: modern imaging.
AU  - A M Groves
AU  - K K Balan
PY  - 2005
DO  - 10.1136/gut.2005.068338
UR  - https://pubmed.ncbi.nlm.nih.gov/16162949/
ID  - 16162949
ER  -