@misc{indiciae8e97958db693,
  title = {[Decrease in postoperative mortality caused by bleeding peptic ulcer].},
  author = {J Checa Ceballos and J L Martínez de Dueñas and E Dabán Collado and J B García Martos},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2772380/},
  note = {Source identifier: 2772380}
}