@misc{indiciae67e438fadab9, title = {Ipratropium bromide bronchodilator solution.}, author = {E McIntyre and J H Alpers and R E Ruffin}, year = {1983}, doi = {10.1378/chest.83.2.290-a}, url = {https://pubmed.ncbi.nlm.nih.gov/6217954/}, note = {Source identifier: 6217954} }