Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.ajts.org/article.asp?issn=0973-6247;year=2018;volume=12;issue=1;spage=27;epage=33;aulast=Khetan
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29563672.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29563672/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29563672
	free resource	scite Smart Citations	https://scite.ai/reports/29563672