The article was reprinted from the publication "Internistas" in 2017. No. 9, “Ambroxol - to relieve cough”, SMP, no. 3 (255), pp. 14–15, Sep. 2020, Accessed: Jan. 19, 2026. [Online]. Available: https://www.zurnalai.vu.lt/slauga/article/view/19793