Nazemi, M M A practical method for monitoring bacterial contamination of inhalation therapy machines. [electronic resource] - The American review of respiratory disease Dec 1972 - 920-2 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0003-0805 Standard No.: 10.1164/arrd.1972.106.6.920 doi Subjects--Topical Terms: Bacterial Infections--prevention & controlHumansMethodsMonitoring, PhysiologicRespiratory Therapy--adverse effects