Aghnia Permatasari, Dita Gemiana, Fitriana Nur, Raditya Ardi, Wahyu Permatasari, Jamal Zaini Abstract Background: Chronic obstructive pulmonary disease (COPD) diagnosis using spirometry in primary care is quite difficult due to the availability. The aim of this study is to evaluate diagnosis value of symptom-based questionnaire in COPD diagnosis. Methods: Literature search using Pubmed, SCOPUS, and EBSCO databases […]