title: Sterile filtration of gases: a bacterial aerosol challenge test.
mesh_terms: D000336:Aerosols; D001419:Bacteria; D005069:Evaluation Studies as Topic; D005374:Filtration / Q000295:instrumentation*; D005740:Gases; D013242:Sterilization
chemical_list: D000336:Aerosols; D005740:Gases