View of Effects of Theophylline Sustained Release Tablets Combined with Erythromycin on Pulmonary Function and Inflammatory Factors in Elderly Patients with Severe Stable Chronic Obstructive Pulmonary Disease

Return to Article Details Effects of Theophylline Sustained Release Tablets Combined with Erythromycin on Pulmonary Function and Inflammatory Factors in Elderly Patients with Severe Stable Chronic Obstructive Pulmonary Disease Download Download PDF