Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.indianjurol.com/article.asp?issn=0970-1591;year=2008;volume=24;issue=4;spage=451;epage=456;aulast=Egawa
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19468495.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19468495/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/19468495