AU - معرفت, Rahman AU - صابری, Maryam AU - عبدالمجید, Amirhosein AU - زودرنج, Masoumeh TI - A survey on collaboration rate of authors in presenting scientific papers in Koomesh journal during 1999-2010 PT - JOURNAL ARTICLE TA - Koomesh JN - Koomesh VO - 13 VI - 3 IP - 3 4099 - http://koomeshjournal.semums.ac.ir/article-1-1292-en.html 4100 - http://koomeshjournal.semums.ac.ir/article-1-1292-en.pdf SO - Koomesh 3 AB  -   Introduction: Scientific communication among researchers has an important role in scientific fields. Some reasons for this communication are: efficient scientific exchanges among researchers, increasing collaborative article quality, using of cooperator authors specialists, increasing probability collaborative article publishing in scientific journals. Collaboration can increase motivation among researchers to create scientific works and opposition to scientific retreat. The purpose of this article was to determine collaboration among authors who published articles in Koomesh journal during 1999-2010.   Materials and Methods: This survey is a descriptive study with a statistical procedure. The total issues of Koomesh journal (a medical journal published by Semnan university of medical sciences) articles which have been published during 1999-2010 was the subject of current research. The method of research is Scienometrics and all data were analyzed by Excel software.   Result: The results showed that 440 authors had published 1584 articles in Koomesh journal and mean number of authors per article is 3.6. From the viewpoint of gender, 72.22% of authors are men and 27.78% are women. The findings indicated that Semnan University of Medical Sciences is most prolific among other research institutes and scientific centers. Furthermore, this university has the most collaborative published articles among other research institutes and scientific centers (with 612 articles). Only 44 articles has single author (10%). The results highlighted that the collaboration coefficient was 0.61.   Conclusions: Overall, author’s collaboration in Koomesh journal is in high level. CP - IRAN IN - Dept. Of Library and Information Science, Faculty of Psychology and Educational Science, Semnan University, Semnan, Iran LG - eng PB - Koomesh PG - 279 PT - Research YR - 1391