@misc{indiciae11d7d852dcae,
  title = {Cyclic nucleotides, practolol, and the peritoneum.},
  author = {S N Madsen and J Sondergaard},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91289-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/67514/},
  note = {Source identifier: 67514}
}