title: [Technical study of the question of the effectiveness of heat and moisture exchangers].
mesh_terms: D006361:Heating / Q000295:instrumentation*; D006801:Humans; D006813:Humidity; D012122:Ventilators, Mechanical
vernacular_title: Technische Untersuchung zur Frage der Wirksamkeit von Heat and Moisture Exchangers (HME).