Mercé-Klein, J., Torrens, A., Juan, M. and Miranda-Guardiola, F. 2019. Atrial flutter with 1:1 atrioventricular conduction, and with aberrant conduction, in a patient treated with flecainide. Revista Española de Casos Clínicos en Medicina Interna. 4, 3 (Dec. 2019), 121–122. DOI:https://doi.org/10.32818/reccmi.a4n3a7.