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The Effect of Inhaled Ipratropium Bromide as a Premedication For Bronchoscopy on Dyspnea, Cough, and Tracheobronchial Secretion. J Respirol Indones [Internet]. 2023 Oct. 31 [cited 2025 Jul. 5];43(4):255-61. Available from: http://www.jurnalrespirologi.org/index.php/jri/article/view/256