Name	Info	Provider	Link
	free resource	Ediciones Doyma, S.L.	http://www.revistanefrologia.com/es/linksolver/ft/pii/S2013-2514(21)00068-7
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2013-2514(21)00068-7
COVID-19 (Coronavirus Disease 2019)	free resource	MedlinePlus Health Information	https://medlineplus.gov/covid19coronavirusdisease2019.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/36166248/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/36166248