References

1.Kardos, P. et al., Guideline of the German Society of Pneumology and Respiratory Medicine for the diagnosis and treatment of adult patients with cough. Pneumologie 2019, 73: 143–180.

2.Cough market worldwide (IQVIA Global OTC Insights, R5C Expectorants, excluding combinations with antitussives + O1A3 Dry cough products + O1A4 Expectorants + O1A5 Dry cough and expectorant products, sales, data as of MAT 12/2021).