@misc{indiciae2a040ceb0f16, title = {Model system using coliphage phi X174 for testing virus removal by air filters.}, author = {M L Rapp and T Thiel and R J Arrowsmith}, year = {1992}, doi = {10.1128/aem.58.3.900-904.1992}, url = {https://pubmed.ncbi.nlm.nih.gov/1575491/}, note = {Source identifier: 1575491} }