Name	Info	Provider	Link
Kidney Tests	free resource	MedlinePlus Health Information	https://medlineplus.gov/kidneytests.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19055616.ui
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/j.1432-2277.2008.00799.x
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:19055616