Elvira Ruiz, G., Penafiel-Verdu, P., Munoz-Esparza, C., Martinez-Sanchez, J., Sanchez-Munoz, J. J., Garcia-Almagro, F., Salar-Alcaraz, M., Pastor-Perez, F. J., Fernandez-Villa, N., Veas-Porlan, M., Martinez-Herrera, M., Vazquez-Andres, D. J., Jimenez-Aceituna, A., Pascual-Figal, D. A., & Garcia-Alberola, A. (n.d.). efficacy of left bundle branch area pacing in patients with indication for cardiac resynchronization therapy. European heart journal, 42, . http://access.bl.uk/ark:/81055/vdc_100144497892.0x000024