Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1019-6439&volume=10&issue=3&spage=509&aulast=Brandi
	subscription/membership/fee required	Spandidos Publications	https://www.spandidos-publications.com/ijo/10/3/509