title: Retention of actinomycete spores by respirator filters.
mesh_terms: D000192:Actinomycetales; D005069:Evaluation Studies as Topic; D005203:Farmer's Lung / Q000517:prevention & control; D005374:Filtration / Q000295:instrumentation; D006801:Humans; D011482:Protective Devices; D012134:Respiratory Protective Devices; D013170:Spores