Name	Info	Provider	Link
Emergency Medical Services	free resource	MedlinePlus Health Information	https://medlineplus.gov/emergencymedicalservices.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30444257/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30444257
	free resource	Via Medica Medical Publishers	https://journals.viamedica.pl/cardiology_journal/article/view/59575