Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.joacp.org/article.asp?issn=0970-9185;year=2012;volume=28;issue=1;spage=137;epage=138;aulast=Junka
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22345973.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22345973/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22345973