@misc{indiciae851e708c3f61, title = {Metered dose inhalers.}, author = {D A Togger and P S Brenner}, year = {2001}, doi = {10.1097/00000446-200110000-00020}, url = {https://pubmed.ncbi.nlm.nih.gov/11680341/}, note = {Source identifier: 11680341} }