@misc{indiciaef69ce4e733ad,
  title = {Misoprostol and ulcer prophylaxis.},
  author = {R Upadhyay and A S Taha and R D Sturrock and R I Russell},
  year = {1989},
  doi = {10.1016/s0140-6736(89)91220-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/2563111/},
  note = {Source identifier: 2563111}
}