Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.nigeriamedj.com/article.asp?issn=0300-1652;year=2013;volume=54;issue=2;spage=136;epage=142;aulast=Karaveli
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23798801.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23798801/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23798801
	free resource	scite Smart Citations	https://scite.ai/reports/23798801