This corrects the article "The asthma and chronic obstructive pulmonary disease overlap syndrome in tertiary care setting Thailand" on page 227.
![]() | Fig. 1.Diagram classifying patients with isolated asthma, isolated COPD and ACOS according to study definition. COPD, chronic obstructive pulmonary disease; ACOS, asthma and COPD overlap syndrome; BD, bronchodilator; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; HRCT, high resolution computed tomography. |