Although laryngomalacia is the leading cause of stridor in infancy, vocal cord paralysis, despite its low incidence, is still the second most common cause.
要喘鸣是一岁以下
婴幼儿呼吸窘
常见主诉，而喉头软化症是最常见
。
Although laryngomalacia is the leading cause of stridor in infancy, vocal cord paralysis, despite its low incidence, is still the second most common cause.
要喘鸣是一岁以下婴幼儿呼吸窘常见主诉，而喉头软化症是最常见。
This paper studies the results and pharmacologic effects of the liquid extracted from Elephantopus scaber L. in curing three major symptoms of bronchitis (cough, sputum and stridor).
用动物实验方法,研究地胆根乙醇提取液治疗支气管炎,咳、痰、喘三种症状效果及其药理作用。
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