TY  - RPRT
TI  - Chronic abdominal pain.
AU  - D R Parker
AU  - S Evans
AU  - J G Kingham
PY  - 1997
DO  - 10.1136/pgmj.73.866.831
UR  - https://pubmed.ncbi.nlm.nih.gov/9497962/
ID  - 9497962
ER  -