Name	Info	Provider	Link
Clinical Trials	free resource	MedlinePlus Health Information	https://medlineplus.gov/clinicaltrials.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24957755/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24957755
	free resource	scite Smart Citations	https://scite.ai/reports/24957755
	free resource	Silverchair Information Systems	https://academic.oup.com/jrr/article-lookup/doi/10.1093/jrr/rru051