[Introduction].
Ortega
F
F
Baltar
J
J
García-Mendoza
M
M
Ortega
T
T
Rebollo
P
P
D003226:Congresses as Topic / Q000458:organization & administration*; D006801:Humans; D009398:Nephrology / Q000458:organization & administration* / Q000592:standards; D012106:Research / Q000592:standards