@misc{indiciae299946efaf85,
  title = {Understanding the course.},
  author = {Ronald L Koretz},
  year = {2003},
  doi = {10.1053/gast.2003.1240261b},
  url = {https://pubmed.ncbi.nlm.nih.gov/12512054/},
  note = {Source identifier: 12512054}
}