@misc{indiciae33022420bf25,
  title = {Perforated duodenal ulcer.},
  author = {R K Kaushal and A Narang and S K Mitra and G R Prasad},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6629480/},
  note = {Source identifier: 6629480}
}