Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.ijem.in/article.asp?issn=2230-8210;year=2016;volume=20;issue=7;spage=33;epage=41;aulast=Shukla
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27144135.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27144135/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27144135
	free resource	scite Smart Citations	https://scite.ai/reports/27144135