@misc{indiciae305ff8ce56da,
  title = {Combination bronchodilator therapy in asthma.},
  author = {R E Ruffin and E McIntyre and A J Crockett and K Zielonka and J H Alpers},
  year = {1982},
  doi = {10.1016/0091-6749(82)90089-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/6459357/},
  note = {Source identifier: 6459357}
}