@misc{indiciae9c8f2e33221d, title = {Initial use of Browne Pneumatic Impactor.}, author = {E R Tawfiek and M Grasso and D H Bagley}, year = {1997}, doi = {10.1089/end.1997.11.121}, url = {https://pubmed.ncbi.nlm.nih.gov/9107585/}, note = {Source identifier: 9107585} }