Yunita Puspitasari, Suradi, Reviono Departemen Pulmonologi dan Ilmu Kedokteran Respirasi, Fakultas Kedokteran Universitas Sebelas Maret, RS Dr. Moewardi Surakarta Abstract Background: Peripheral airway inflammation and structural airway injury in COPD functionally contribute to expiratory airflow limitation. The study aims to investigate the influence of erdostein in GSH, IL-8 level, VEP₁ value and CAT score in […]