@misc{indiciae8670b7ed862a,
  title = {Present cardiologic problems in Indonesia.},
  author = {I S Ranti},
  doi = {10.14238/pi14.7-8.1974.109-12},
  url = {https://pubmed.ncbi.nlm.nih.gov/4456246/},
  note = {Source identifier: 4456246}
}