@misc{indiciae6a27182e3607,
  title = {Beta-blocking effect of practolol in asthmatics.},
  author = {J W Kerr and K R Patel},
  year = {1970},
  doi = {10.1016/s0140-6736(70)90258-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4196002/},
  note = {Source identifier: 4196002}
}