[Airflow resistance measurement in tracheal cannulae].
D006801:Humans; D007442:Intubation, Intratracheal; D008670:Metals; D055585:Physical Phenomena; D010825:Physics; D010969:Plastics; D012119:Respiration; D014140:Tracheotomy / Q000295:instrumentation*
D008670:Metals; D010969:Plastics
Strömungswiderstandsmessungen AN Trachealkanülen.