@misc{indiciaecd81deaac7df,
  title = {[Obstructive chronic pulmonary disease].},
  author = {O Rivero-Serrano and H M Ponce de León},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5500421/},
  note = {Source identifier: 5500421}
}