0211-6995 0211-6995 S0211-69952018000100101 10.1016/j.nefro.2017.03.004 España España 00 02 2018 00 02 2018 38 1 101 103 2011 4 34-43 2016 8 82-4 2014 7 1-4 1989 4 254-71 2007 54 677-90 2000 118 214-27 1998 16 635-43