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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">The aim of this study was to compare the production&#44; impact and co-authorship of publications by Spanish authors on smoking and tobacco between two time periods &#40;1998&#47;2002 vs&#46; 2003&#47;2007&#41; using Science Citation Index &#40;SCI&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">The literature search was performed in the SCI-Expanded on 20 November 2008&#46; All types of documents by Spanish authors were selected&#46; The search was restricted to the title&#44; and the key words used were &#8220;smok&#42;&#8221; and &#8220;tobac&#42;&#8221;&#46; The statistical analysis was descriptive &#40;95&#37; CI&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">A total of 588 documents were retrieved&#44; with 399 &#40;67&#46;85&#37;&#41; original papers&#44; 54 &#40;9&#46;18&#37;&#41; letters to the editor and 35 &#40;5&#46;95&#37;&#41; editorials&#46; Productivity increased from the 98&#47;02 to the 03&#47;07 period&#58; 234 &#40;39&#46;8&#37;&#41; documents versus 354 &#40;60&#46;2&#37;&#41;&#44; respectively&#46; We have found significant differences between the two periods &#40;98&#47;02 vs&#46; 03&#47;07&#41; in total mean annual documents &#40;47 &#177; 8 vs&#46; 71 &#177; 16 &#91;p &#61; 0&#46;024&#93;&#41; and total mean annual original papers &#40;34 &#177; 6 vs&#46; 46 &#177; 9 &#91;p &#61; 0&#46;041&#93;&#41;&#46; The mean number of citations per document was 14&#46;1 &#177; 2&#46;1 for the 98&#47;02 period and 5&#46;6 &#177; 2&#46;5 for the 03&#47;07 period &#40;p &#61; 0&#46;003&#41;&#46; The co-authorship annual index had increased&#44; with a mean of 6&#46;77 signatures&#47;document for the 98&#47;02 period to a mean of 6&#46;87 for the 03&#47;07 period&#46; Author and institution network collaborations had increased from one period to the next&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Spanish scientific production and co-authorship of documents on smoking and tobacco have increased from one period to the next&#46; The documents from the earlier period receive more citations&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">El objetivo ha sido comparar entre dos quinquenios &#40;1998 a 2002 con 2003 a 2007&#41; la producci&#243;n&#44; repercusi&#243;n y la colaboraci&#243;n de art&#237;culos sobre tabaquismo de autores espa&#241;oles a trav&#233;s del Science Citation Index &#40;SCI&#41;&#46;</p> <span class="elsevierStyleSectionTitle">M&#233;todo</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">La b&#250;squeda se realiz&#243; en el SCI Expanded&#46; Fueron seleccionados todos los tipos de documentos y la b&#250;squeda se restringi&#243; al &#8220;t&#237;tulo&#8221;&#59; palabras clave&#58; &#8220;smok&#42;&#8221; y &#8220;tobac&#42;&#8221;&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Fueron un total de 588 art&#237;culos&#44; de los que 399 &#40;67&#44;85&#37;&#41; fueron originales&#44; 54 &#40;9&#44;18&#37;&#41; cartas al director y 35 &#40;5&#44;95&#37;&#41; editoriales&#46; La producci&#243;n ha crecido&#44; pasando de 234 &#40;39&#44;8&#37;&#41; documentos &#40;98&#47;02&#41; a 354 &#40;60&#44;2&#37;&#41; en 03&#47;07&#46; Al comparar la media anual del total de art&#237;culos por quinquenios 98&#47;02 vs&#46; 03&#47;07 &#40;47 &#177; 8 vs&#46; 71 &#177; 16 &#91;p &#61; 0&#44;024&#93;&#41; la diferencia es significativa&#44; igual que si comparamos las medias anuales por quinquenios de los originales &#40;34 &#177; 6 vs&#46; 46 &#177; 9 &#91;p &#61; 0&#44;041&#93;&#41;&#46; La media de citas&#47;trabajo por quinquenios fue de 14&#44;1 &#177; 2&#44;1 para 98&#47;02 y del 5&#44;6 &#177; 2&#44;5 para 03&#47;07 &#40;p &#61; 0&#44;003&#41;&#46; El &#237;ndice de colaboraci&#243;n anual aument&#243;&#44; pasando la media de 6&#44;77 firmas&#47;trabajo en 98&#47;02 a 6&#44;87 firmas&#47;trabajo en 03&#47;07&#46; Ha aumentado el n&#250;mero de redes de colaboraci&#243;n de instituciones y autores&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Tanto la producci&#243;n cient&#237;fica como la colaboraci&#243;n entre autores e instituciones han aumentado en el periodo estudiado&#46; Son los art&#237;culos m&#225;s antiguos los que m&#225;s citas tienen&#46;</p>"
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Original Article
Comparison Between Two Five Year Periods (1998/2002 and 2003/2007) on the Production, Impact and co-Authorship of Publications on Tobacco and Smoking by Spanish Authors Using the Science Citation Index
Comparación entre dos quinquenios (1998/2002 y 2003/2007) de la producción, repercusión y colaboración en tabaquismo de autores españoles a través del Science Citation Index
José Ignacio de Granda-Orivea,
Corresponding author
igo01m@gmail.com

Corresponding author.
, Adolfo Alonso-Arroyob, Santiago José Villanueva Serranoc, Rafael Aleixandre-Benaventd, Gregorio González-Alcaided, Francisco García-Ríoe, Carlos Andrés Jiménez-Ruizf, Segismundo Solano-Reinag, Francisco Roig-Vázqueza
a Servicio de Neumología, Hospital Infanta Elena, Valdemoro, Madrid, Spain
b Departamento de Historia de la Ciencia y Documentación, Facultad de Medicina y Odontología, Universidad de Valencia, Valencia, Spain
c Unidad de Cuidados Intensivos, Hospital Comarcal de Melilla, Melilla, Spain
d Instituto de Historia de la Ciencia y Documentación López Piñero, CSIC-Universidad de Valencia, Facultad de Medicina, Valencia, Spain
e Servicio de Neumología, Hospital Universitario La Paz, Madrid, Spain
f Unidad Especializada de Tabaquismo, Comunidad de Madrid, Madrid, Spain
g Servicio de Neumología, Hospital Universitario Gregorio Marañón, Madrid, Spain
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        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">The aim of this study was to compare the production&#44; impact and co-authorship of publications by Spanish authors on smoking and tobacco between two time periods &#40;1998&#47;2002 vs&#46; 2003&#47;2007&#41; using Science Citation Index &#40;SCI&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">The literature search was performed in the SCI-Expanded on 20 November 2008&#46; All types of documents by Spanish authors were selected&#46; The search was restricted to the title&#44; and the key words used were &#8220;smok&#42;&#8221; and &#8220;tobac&#42;&#8221;&#46; The statistical analysis was descriptive &#40;95&#37; CI&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">A total of 588 documents were retrieved&#44; with 399 &#40;67&#46;85&#37;&#41; original papers&#44; 54 &#40;9&#46;18&#37;&#41; letters to the editor and 35 &#40;5&#46;95&#37;&#41; editorials&#46; Productivity increased from the 98&#47;02 to the 03&#47;07 period&#58; 234 &#40;39&#46;8&#37;&#41; documents versus 354 &#40;60&#46;2&#37;&#41;&#44; respectively&#46; We have found significant differences between the two periods &#40;98&#47;02 vs&#46; 03&#47;07&#41; in total mean annual documents &#40;47 &#177; 8 vs&#46; 71 &#177; 16 &#91;p &#61; 0&#46;024&#93;&#41; and total mean annual original papers &#40;34 &#177; 6 vs&#46; 46 &#177; 9 &#91;p &#61; 0&#46;041&#93;&#41;&#46; The mean number of citations per document was 14&#46;1 &#177; 2&#46;1 for the 98&#47;02 period and 5&#46;6 &#177; 2&#46;5 for the 03&#47;07 period &#40;p &#61; 0&#46;003&#41;&#46; The co-authorship annual index had increased&#44; with a mean of 6&#46;77 signatures&#47;document for the 98&#47;02 period to a mean of 6&#46;87 for the 03&#47;07 period&#46; Author and institution network collaborations had increased from one period to the next&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Spanish scientific production and co-authorship of documents on smoking and tobacco have increased from one period to the next&#46; The documents from the earlier period receive more citations&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">El objetivo ha sido comparar entre dos quinquenios &#40;1998 a 2002 con 2003 a 2007&#41; la producci&#243;n&#44; repercusi&#243;n y la colaboraci&#243;n de art&#237;culos sobre tabaquismo de autores espa&#241;oles a trav&#233;s del Science Citation Index &#40;SCI&#41;&#46;</p> <span class="elsevierStyleSectionTitle">M&#233;todo</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">La b&#250;squeda se realiz&#243; en el SCI Expanded&#46; Fueron seleccionados todos los tipos de documentos y la b&#250;squeda se restringi&#243; al &#8220;t&#237;tulo&#8221;&#59; palabras clave&#58; &#8220;smok&#42;&#8221; y &#8220;tobac&#42;&#8221;&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Fueron un total de 588 art&#237;culos&#44; de los que 399 &#40;67&#44;85&#37;&#41; fueron originales&#44; 54 &#40;9&#44;18&#37;&#41; cartas al director y 35 &#40;5&#44;95&#37;&#41; editoriales&#46; La producci&#243;n ha crecido&#44; pasando de 234 &#40;39&#44;8&#37;&#41; documentos &#40;98&#47;02&#41; a 354 &#40;60&#44;2&#37;&#41; en 03&#47;07&#46; Al comparar la media anual del total de art&#237;culos por quinquenios 98&#47;02 vs&#46; 03&#47;07 &#40;47 &#177; 8 vs&#46; 71 &#177; 16 &#91;p &#61; 0&#44;024&#93;&#41; la diferencia es significativa&#44; igual que si comparamos las medias anuales por quinquenios de los originales &#40;34 &#177; 6 vs&#46; 46 &#177; 9 &#91;p &#61; 0&#44;041&#93;&#41;&#46; La media de citas&#47;trabajo por quinquenios fue de 14&#44;1 &#177; 2&#44;1 para 98&#47;02 y del 5&#44;6 &#177; 2&#44;5 para 03&#47;07 &#40;p &#61; 0&#44;003&#41;&#46; El &#237;ndice de colaboraci&#243;n anual aument&#243;&#44; pasando la media de 6&#44;77 firmas&#47;trabajo en 98&#47;02 a 6&#44;87 firmas&#47;trabajo en 03&#47;07&#46; Ha aumentado el n&#250;mero de redes de colaboraci&#243;n de instituciones y autores&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Tanto la producci&#243;n cient&#237;fica como la colaboraci&#243;n entre autores e instituciones han aumentado en el periodo estudiado&#46; Son los art&#237;culos m&#225;s antiguos los que m&#225;s citas tienen&#46;</p>"
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ISSN: 15792129
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