Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0277-9536(12)00177-3
Veterans and Military Health	free resource	MedlinePlus Health Information	https://medlineplus.gov/veteransandmilitaryhealth.html
Full text from	free resource	CORE	https://core.ac.uk/reader/189406809?utm_source=linkout