@misc{indiciae346af90a6d57,
  title = {Where do we stand with PPIs?},
  author = {J S Welsh},
  year = {1979},
  doi = {10.1016/s0160-3450(15)32194-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/517403/},
  note = {Source identifier: 517403}
}