@misc{indiciaed2254b7d13b8,
  title = {Morphine for severe asthma?},
  author = {M Z Blumberg},
  year = {1973},
  doi = {10.1056/nejm197301042880118},
  url = {https://pubmed.ncbi.nlm.nih.gov/4681905/},
  note = {Source identifier: 4681905}
}