Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.ijaweb.org/article.asp?issn=0019-5049;year=2013;volume=57;issue=1;spage=91;epage=92;aulast=de
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23716783.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23716783/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23716783
	free resource	scite Smart Citations	https://scite.ai/reports/23716783