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Original articles published in Revista Española de Enfermedades Digestivas (1993-1998): authorship, interval between
B Acea Nebril1, A Figueira Moure, C Gómez Freijoso
1Servicio de Cirugía General A, Hospital Juan Canalejo, A Coruña, Spain.
Aim:
To study changes in authorship, interval between acceptance and publication, and bibliographic references of original articles published in Revista Española de Enfermedades Digestivas (REED) between 1993 and 1998.
Methods:
This was a descriptive retrospective study of 359 original research articles published in REED between 1993 and 1998. The variables assessed were: number of authors (author/article index), interval between acceptance of the manuscript and publication in the journal, and degree of obsolescence of articles based on the age of the references cited (Burton-Kleber and Price indexes).
Results:
The author/article index was 6.1, and increased from 5.9 in 1993 to 6.5 in 1998. The interval between acceptance and publication increased from 251 days to 436 days in this period (p < 0.0001). English was the language of publication used most commonly, followed by Spanish (10.7%). Citations to Spanish references decreased from 12.5% in 1993 to 8.7% in 1998. The half-life of articles was 7 years, and Price index was 41.5%.
Conclusions:
REED's bibliometric characteristics are similar to those of other national journals, but this study shows changes in bibliographic indicators from 1993 to 1998; increases in the number of authors per article, the interval to publication, the use of foreign references and the degree of obsolescence.
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