Conclusion Bronchial provocation test and bronchial dilation test are valuable diagnostic methods which could reduce asthma acatalepsia.
结论支气管激发试验及支气管扩张试验在哮喘的诊断中有重要价值，可减少哮喘诊断不足现象；
Methods The mechacholine provocation tests were applied to patients whom couldnt be diagnosed by lung function test and bronchiectasis test.
方法对临床肺功能、支气管扩张试验不能确诊的病人，用乙酰甲胆碱行支气管激发试验，明确诊断。
Methods The mechacholine provocation tests were applied to patients whom couldnt be diagnosed by lung function test and bronchiectasis test.
方法对临床肺功能、支气管扩张试验不能确诊的病人，用乙酰甲胆碱行支气管激发试验，明确诊断。
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