Name	Info	Provider	Link
Clinical Trials	free resource	MedlinePlus Health Information	https://medlineplus.gov/clinicaltrials.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=28737661.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28737661/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28737661
	free resource	scite Smart Citations	https://scite.ai/reports/28737661
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/TP.0000000000001774