Racle J P, Lafaye M, Constantin B
Ann Anesthesiol Fr. 1976;17(8):977-83.
The authors observed an abnormal frequency of laryngo-tracheal stenosis over a period of three months, corresponding to the use of a defective lot of supple catheters for single use and made of polyvinyl chloride. They emphasize the extreme difficulty to demonstrate the precise etiology of these severe complications.