A. Kantar, L. Klimek, D. Cazan, A. Sperl, U. Sent, and M. Mesquita, “Ambroxol for the treatment of children with acute and chronic respiratory diseases: an overview of efficacy and safety”, Multidiscip Respir Med, vol. 15, Mar. 2020, doi: 10.4081/mrm.2020.511.