Use of a plastic tracheal cannula with report of a case.
D000368:Aged; D002404:Catheterization; D057785:Catheters; D006801:Humans; D010969:Plastics; D014132:Trachea; D014962:X-Ray Film; D014965:X-Rays
D010969:Plastics
CANNULA; ROENTGENOGRAMS; TRACHEA