@misc{indiciaed84bed509d5c, title = {Chronic abdominal pain.}, author = {M A al-Kutoubi and L Kreel}, year = {1994}, doi = {10.1136/pgmj.70.826.576}, url = {https://pubmed.ncbi.nlm.nih.gov/7937451/}, note = {Source identifier: 7937451} }