Association of blood eosinophils and plasma periostin with FEV1 response after 3-month inhaled corticosteroid and long-acting beta2-agonist treatment in stable COPD patients.

Pharmacological treatment response according to the severity of symptoms in patients with chronic obstructive pulmonary disease.

The Prognostic Value of Residual Volume/Total Lung Capacity in Patients with Chronic Obstructive Pulmonary Disease.

Lung function decline rates according to GOLD group in patients with chronic obstructive pulmonary disease.

The COPD assessment test (CAT) assists prediction of COPD exacerbations in high-risk patients.

Causes and predictive factors associated with "diagnosis changed" outcomes in patients notified as tuberculosis cases in a private tertiary hospital.

Genome-wide association studies identify locus on 6p21 influencing lung function in the Korean population.

A Pilot Study Comparing Two Oxygen Delivery Methods for Patients' Comfort and Administration of Oxygen.

Clinical Utility of Computed Tomographic Lung Volumes in Patients with Chronic Obstructive Pulmonary Disease.

Medical Utilization and Cost in Patients with Overlap Syndrome of Chronic Obstructive Pulmonary Disease and Asthma.