Clinical observation of ipratropium bromide and budesonide inhalation in elderly COPD patients with severe airflow limitation
CHEN Dao-qing
LING Wen
LUO Wei-xiong
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Publication Date：2019-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 72-74 )