2023. The Effect of Inhaled Ipratropium Bromide as a Premedication For Bronchoscopy on Dyspnea, Cough, and Tracheobronchial Secretion. Jurnal Respirologi Indonesia. 43, 4 (Oct. 2023), 255–261. DOI:https://doi.org/10.36497/jri.v43i4.256.