Jiang T, Li P, Wang Y. Effect of budesonide formoterol combined with tiotropium bromide on pulmonary function and inflammatory factors in patients with asthma–COPD overlap syndrome. Allergol Immunopathol [Internet]. 2023 Jul. 1 [cited 2026 Jun. 2];51(4):131-8. Available from: https://www.all-imm.com/index.php/aei/article/view/876