Cirugía española
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To describe the frequency and bibliographic characteristics of letters to the editor in the journal, Cirugía Española published between 2000 and 2007 and to compare the differences in the periods between 2000-2003 and 2004-2007. ⋯ The letters in Cirugía Española journal have regained their previous frequency after a period of stagnation between 2002 and 2005. In the final period of the study there was a marked improvement compared to the first one in most indicators studied.