co-authorship patterns and networks in the scientific publications of shahid beheshti university of medical sciences

the increasing amount of scientific collaboration has led to an increase  in the quality of scientific publications. the goal of this article is to analyze the co-authorship patterns and networks in sbums’s scientific publications in wos from 2009 to 2013. hence, the co-authorship indicators and ratio of national to international collaborations are determined. this research is a descriptive survey including scientometric approaches. histcite and nwb software is used to draw and analyze the networks. the findings show that the scientific publications of sbums are 6633 publications. the most productive authors are fereidoun azizi and mohamad reza zali. the maximum number of scientific publications is allocated to the articles written by more than 5 authors. collaborative index (ci), degree of collaboration (dc), and collaborative coefficient (cc) are 4.27, 0.96, and 0.71 respectively. the ratio of national to international collaborations is 4.78. in co-authorship networks, there are 12825 nodes (authors) that are linked with 97618 edges. the highest degree and betweenness centrality belongs to masjedi showing the communication paths of other nodes overtaking them. the most international collaboration belongs to the usa. the collaboration of authors in sbums is almost good but the international collaboration is not so. encouraging policies for the further collaboration of authors surely leads to increasing the quality and quantity of the scientific publications. it is recommended to repeat the network analysis in different periods of time.