Kowal K. 10 reasons why the treatment of asthma and chronic obstructive pulmonary disease with salmeterol with fluticasone propionate in a DPI inhaler is very effective and safe. Alergoprofil [Internet]. 2023Jun.15 [cited 2026May30];19(1):17-2. Available from: https://www.journalsmededu.pl/index.php/alergoprofil/article/view/2798