Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.jmau.org/article.asp?issn=2213-879X;year=2018;volume=6;issue=3;spage=129;epage=133;aulast=Ammar
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=30221138.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30221138/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30221138
	free resource	scite Smart Citations	https://scite.ai/reports/30221138