Although laryngomalacia is the leading cause of stridor in infancy, vocal cord paralysis, despite its low incidence, is still the second most common cause.
要喘鸣是一岁以下的婴幼儿呼吸窘迫常见的主诉，而喉头软化症是最常见的原因。
Although laryngomalacia is the leading cause of stridor in infancy, vocal cord paralysis, despite its low incidence, is still the second most common cause.
要喘鸣是一岁以下的婴幼儿呼吸窘迫常见的主诉，而喉头软化症是最常见的原因。
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