Scientific literature among smoking and respiratory system: repercussion and collaboration.

Aim: To analyze the distribution of the production, repercussion and co-authorship of articles on smoking in the «respiratory system» category through the Science Citation Index Expanded (SCI-E) and their inclusion in the first quartile of the Journal Citation Report (JCR).

Methods: The literature search was performed in the SCI-E. Articles were selected for 2001-2010 for «respiratory system» using the descriptors «smok*» and «tobac*».

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.

Objective: The aim of this study was to compare the production, impact and co-authorship of publications by Spanish authors on smoking and tobacco between two time periods (1998/2002 vs 2003/2007) using Science Citation Index (SCI).

Methods: The literature search was performed in the SCI-Expanded on 20 November 2008. All types of documents by Spanish authors were selected.

[Network of international scientific collaboration on smoking: analysis of coauthorship through the Science Citation Index (1999-2003)].

Objective: The aim of this study was to analyze patterns of scientific collaboration and the visibility generated by coauthorship of articles on smoking among different countries on a world-wide basis through the Science Citation Index-Expanded (SCI-expanded) from 1999 to 2003.

Material And Methods: We selected articles on smoking resulting from collaboration among different countries in the SCI-Expanded (1999-2003). The underlying networks of collaboration among countries were analyzed by comparing production (number of articles published), visibility (number of citations received) and centrality (node degree, intermediation and proximity).

[Spanish medical center collaboration on smoking research from 1999 through 2003 according to the Science Citation Index].

Objective: To analyze the network structure of collaboration between medical centers sharing authorship of scientific articles on smoking.

Material And Methods: Articles reporting smoking research by authors from 2 or more Spanish medical centers between 1999 and the end of 2003 were identified through the Science Citation Index. The network of collaboration behind the research was analyzed and the most important measures of centrality were compared.

[Spanish productivity in smoking research relative to world and European union productivity from 1999 through 2003, analyzed with the science citation index].

Objective: To analyze Spanish scientific productivity from 1999 through 2003 in the area of smoking research, in comparison with world and European Union research, based on data in the Science Citation (SCI) Index.

Material And Methods: This bibliometric study was carried out by searching the title field of the Science Citation Index Expanded. Descriptive statistics with 95% confidence intervals (CI) were compiled.