Increased plasma levels of N-terminal pro-B-type natriuretic peptide as biomarker for the diagnosis of cardioembolic ischaemic stroke J.A. García-Carmona; E. Conesa-García; D. Vidal-Mena; M. González-Morales; V. Ramos-Arenas; C. Sánchez-Vizcaíno-Buendía; J.J. Soria-Torrecillas; J.A. Pérez-Vicente; L. García-de-Guadiana-Romualdo;