title: [Artificial ventilation and bacterial concentration in the hospital].
mesh_terms: D000389:Air Conditioning; D000391:Air Microbiology; D000397:Air Pollution; D001419:Bacteria / Q000302:isolation & purification; D002452:Cell Count; D005374:Filtration; D005860:Germany, West; D006761:Hospitals; D006920:Hygiene; D014691:Ventilation
vernacular_title: Künstliche Belüftung und Luftkeimgehalt im Krankenhaus