The impact factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
Carmen Jiménez López-Guarch, Pilar Escribano Subias, Rocío Tello de Meneses, Juan F Delgado Jiménez, David Sadia Pérez, M Teresa Velázquez Martín, Miguel A Gómez Sánchez, Carlos Sáenz de la Calzada
Rev Esp Cardiol. 2004;57:946-51
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