Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.jcd.org.in/article.asp?issn=0972-0707;year=2017;volume=20;issue=3;spage=194;epage=198;aulast=Champa
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29279625.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29279625/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29279625
	free resource	scite Smart Citations	https://scite.ai/reports/29279625