Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0025-326X(08)00175-6
Mercury	free resource	MedlinePlus Health Information	https://medlineplus.gov/mercury.html
Full text from	free resource	CORE	https://core.ac.uk/reader/144008762?utm_source=linkout