@misc{indiciae51f101cd53f5, title = {Practolol for sinus tachycardia in asthma.}, author = {J F Beary and N J Fortuin}, year = {1974}, doi = {10.7326/0003-4819-81-3-405}, url = {https://pubmed.ncbi.nlm.nih.gov/4853721/}, note = {Source identifier: 4853721} }