Name	Info	Provider	Link
	free resource	Institute of Physiology, Academy of Sciences of the Czech Republic, Prague	http://www.biomed.cas.cz/physiolres/pdf/69/69_S139.pdf
Cough	free resource	MedlinePlus Health Information	https://medlineplus.gov/cough.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32228019/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32228019