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See the articles recommended by the Faculty of more than 8,000 leading experts in Biology and Medicine.	subscription/membership/fee required	H1 Connect	https://facultyopinions.com/pubmed/23070879
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/biomedgerontology/article-lookup/doi/10.1093/gerona/gls205