Rivera Gorrín, Maite Creation of the Working Group on Diagnostic and Interventional Nephrology of the Spanish Society of Nephrology. [electronic resource] - Nefrologia : publicacion oficial de la Sociedad Espanola Nefrologia - 325-6 p. digital Publication Type: Case Reports; Letter ISSN: 1989-2284 Standard No.: 10.1016/j.nefro.2015.11.004 doi Subjects--Topical Terms: Diagnostic Techniques, UrologicalNephrology--organization & administrationSocieties, Medical--organization & administrationSpainUltrasonography