Malecka-Griggs, B Direct dilution sampling, quantitation, and microbial assessment of open-system ventilation circuits in intensive care units. [electronic resource] - Journal of clinical microbiology May 1983 - 870-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0095-1137 Standard No.: 10.1128/jcm.17.5.870-877.1983 doi Subjects--Topical Terms: Air MicrobiologyBacteria--isolation & purificationHumansIntensive Care UnitsRespiratory Therapy--standardsVentilators, Mechanical--standards