Name	Info	Provider	Link
	free resource	International Brazilian J Urol	http://www.intbrazjurol.com.br/pdf/vol43n03/Tobias-Machado_566_566.pdf
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27649114/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27649114
	free resource	scite Smart Citations	https://scite.ai/reports/27649114