FERRÁN A, ALEGRET JM, SUBIRANA I, et al. «Association between rs2200733 and rs7193343 genetic variants and atrial fibrillation in a Spanish population, and meta-analysis of previous studies. Rev Esp Cardiol». 2014 May 19. pii: S0300-8932(14)00156-0. doi: 10.1016/j.recesp.2013.12.021.