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tu shuo man xing zhi qi guan yan
Author(s): 
Pages: 34
Year: Issue:  2
Journal: 晚霞

Abstract: <正>慢性支气管炎是指气管、支气管粘膜及其周围组织的慢性非特异性炎症,常在寒冷季节反复发作,临床上以长期咳嗽、咳痰或伴有哮喘为其主要表现。
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