Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.nigerianjsurg.com/article.asp?issn=1117-6806;year=2014;volume=20;issue=1;spage=26;epage=29;aulast=Udeabor
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=24665199.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24665199/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24665199