Name	Info	Provider	Link
	free resource	Institute of Physiology, Academy of Sciences of the Czech Republic, Prague	http://www.biomed.cas.cz/physiolres/pdf/73/73_529.pdf
Arrhythmia	free resource	MedlinePlus Health Information	https://medlineplus.gov/arrhythmia.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/39264076/