Name	Info	Provider	Link
	free resource	Ediciones Doyma, S.L.	http://www.revistanefrologia.com/es/linksolver/ft/ivp//35/358
Kidney Transplantation	free resource	MedlinePlus Health Information	https://medlineplus.gov/kidneytransplantation.html
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/110123