TY  - RPRT
TI  - Chronic Functional Abdominal Pain (CFAP).
AU  - AD Sperber
AU  - DA Drossman
PY  - 2000
DO  - 10.1007/s11938-000-0045-4
UR  - https://pubmed.ncbi.nlm.nih.gov/11096592/
ID  - 11096592
ER  -