[Clinical evaluation of tracheal cannulas].
D004864:Equipment and Supplies; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D008670:Metals; D010969:Plastics; D012119:Respiration
D008670:Metals; D010969:Plastics
Klinische Bewertung von Trachealkanülen.