The Influence of Astragalus Injection on the Immune Indexes in Bronchioalveolar Lavage Fluid of Patients with Chronic Bronchitis, the Pattern of Syndrome Insufficiency of Lung Qi in TCM

• 黄芪注射液对慢性支气管炎肺气虚患者支气管肺泡灌洗液中免疫指标的影响