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.
Luis Rodríguez Padial, Arturo Romero Gutiérrez, José Moreu Burgos, Carolina Maicas Bellido, Juan Alcalá López, Eduardo Castellanos Martínez, Soledad Alonso García
Rev Esp Cardiol. 2002;55:1251-60
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