@misc{indiciaea2bc54ab3f8f,
  title = {Practolol treatment in asthmatics.},
  author = {H J Waal-Manning and F O Simpson},
  year = {1971},
  doi = {10.1016/s0140-6736(71)90585-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4143623/},
  note = {Source identifier: 4143623}
}