Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1879-4068(21)00170-3
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/34364834/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34364834
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy?issn=1879-4068&vol=13&issue=1&pgfirst=20