Ricard, Jean-Damien Gold standard for humidification: heat and moisture exchangers, heated humidifiers, or both? [electronic resource] - Critical care medicine Dec 2007 - 2875-6 p. digital Publication Type: Comment; Editorial ISSN: 0090-3493 Standard No.: 10.1097/01.CCM.0000295268.55029.ED doi Subjects--Topical Terms: HeatingHumansHumidityInfection Control--methodsPneumonia, Ventilator-Associated--prevention & controlRespiration, Artificial--instrumentation