Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.jcd.org.in/article.asp?issn=0972-0707;year=2018;volume=21;issue=5;spage=551;epage=556;aulast=Ramachandran
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=30294120.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30294120/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30294120