title: [The problem of quantitative determination of airborne microorganisms in air conditioning systems as found in a laboratory animal unit for research built on the barrier system].
mesh_terms: D000389:Air Conditioning / Q000295:instrumentation; D000391:Air Microbiology; D000818:Animals; D000830:Animals, Laboratory; D001419:Bacteria / Q000302:isolation & purification*; D001431:Bacteriological Techniques; D002452:Cell Count; D004202:Disinfectants; D005374:Filtration; D005557:Formaldehyde; D005658:Fungi / Q000302:isolation & purification; D006813:Humidity; D007753:Laboratories; D013242:Sterilization; D013696:Temperature
chemical_list: D004202:Disinfectants; D005557:Formaldehyde
vernacular_title: Zur Frage der quantitativen Bestimmung von Luftkeimen in Klimaanlagen am Modell einer nach dem "geschlossenen System" erbauten tierexperimentellen Abteilung.