0003-3170 0003-3170 S0003-31702020000400007 10.20960/angiologia.00150 España 00 08 2020 00 08 2020 72 4 212 213 1 American College of Surgeons 2020 2 American College of Surgoens 2020 3 2020 72 3 3 172-4 4 2020 5 2020 72 1 1 379-80