TY - JOUR T1 - Do they just look like spikes or are they actual spikes? JO - Revista Portuguesa de Cardiologia T2 - AU - Martins,José Luís AU - Viana,Jesus AU - Santos,José SN - 08702551 M3 - 10.1016/j.repc.2018.04.010 DO - 10.1016/j.repc.2018.04.010 UR - https://www.revportcardiol.org/pt-do-they-just-look-like-articulo-S0870255117305097 ER -