@misc{indiciaeac9650d30009,
  title = {Chronic Functional Abdominal Pain (CFAP).},
  author = {AD Sperber and DA Drossman},
  year = {2000},
  doi = {10.1007/s11938-000-0045-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/11096592/},
  note = {Source identifier: 11096592}
}