@misc{indiciae9c9a90012173,
  title = {Study design issues in irritable bowel syndrome.},
  author = {A W Mangel},
  year = {2004},
  doi = {10.1046/j.1365-2036.2003.01816.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14687176/},
  note = {Source identifier: 14687176}
}