P wave dispersion and atrial electromechanical delay: do they vary with the extent of mitral annular calcification?Published in:Acta Cardiologica, 2016, v. 71, n. 4, p. 449, doi. 10.1080/AC.71.4.3159698By:EWEDA, Inas;ABUL-SAUD, Mona;FOUAD, Hany;HANNA, Rania N.;NAMMAS, WailPublication type:Article