title: [Air cleaning equipment: its effect upon the quality of indoor air].
mesh_terms: D000389:Air Conditioning / Q000295:instrumentation; D000391:Air Microbiology; D000397:Air Pollution / Q000032:analysis; D000447:Aldehydes / Q000032:analysis; D001419:Bacteria / Q000302:isolation & purification; D002248:Carbon Monoxide / Q000032:analysis; D002452:Cell Count; D004391:Dust / Q000032:analysis; D005069:Evaluation Studies as Topic; D006761:Hospitals; D007753:Laboratories; D012907:Smoking; D013053:Spectrophotometry; D013055:Spectrophotometry, Infrared; D013557:Switzerland
chemical_list: D000447:Aldehydes; D004391:Dust; D002248:Carbon Monoxide
vernacular_title: Die Wirkung von Luftreinigungsapparaten auf die Qualität der Raumluft