TY  - RPRT
TI  - Functional abdominal pain.
AU  - P J Matthews
AU  - Q Aziz
PY  - 2005
DO  - 10.1136/pgmj.2004.030577
UR  - https://pubmed.ncbi.nlm.nih.gov/15998821/
ID  - 15998821
ER  -