Objective To study the CT signs of bronchotracheal transparent foreign body and its diagnostic value.

目的探讨气管、支气管可透光异物的CT表断值。

RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.

咳露使咳嗽潜伏期延长,使气管酚红排泌量明显增加。