Name	Info	Provider	Link
Caffeine	free resource	MedlinePlus Health Information	https://medlineplus.gov/caffeine.html
	free resource	Nature Publishing Group	https://doi.org/10.1038/s41598-018-21008-6
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29426918/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29426918
	free resource	scite Smart Citations	https://scite.ai/reports/29426918