Duplicate publication is considered unethical. It has several negative impacts. To estimate the frequency and characteristics of duplicate publications in Korean medical journals, we reviewed some portion of Korean journal articles. Among 9,030 articles that are original articles indexed in KoreaMed from January to December 2004, 455 articles (5%) were chosen by random sampling. PubMed, Google ...

The Korean Journal of Internal Medicine has already been valued as an international journal, according to a citation analysis in 2011. Now, 2 years later, I would like to confirm how much the Journal has advanced from the point of view of journal metrics by looking at the impact factor, cites per document (2 years), SCImago Journal Rank (SJR), and the Hirsch index. These were obtained from a va...

In the present study, the frequency of research misconduct in Korean medical papers was analyzed using the similarity check software iThenticate®. All Korean papers written in English that were published in 2009 and 2014 in KoreaMed Synapse were identified. In total, 23,848 papers were extracted. 4,050 Journal Articles of them were randomly selected for similarity analysis. The average Similari...

The Korean Journal of Urology began to be published exclusively in English in 2010 and is indexed in PubMed Central/PubMed. This study analyzed a variety of citation indicators of the Korean Journal of Urology before and after 2010 to clarify the present position of the journal among the urology category journals. The impact factor, SCImago Journal Rank (SJR), impact index, Z-impact factor (ZIF...

Editorial On behalf of the editorial board, I am pleased to announce that Infection and Chemotherapy is being published as an open-access English journal beginning in March, 2013 with volume 45, issue 1 to facilitate its international competitiveness. We believe that this change represents a significant step toward the globalization of the Korean Society of Infectious Disease and the Korean Soc...

[Purpose] This study was conducted to identify and analyze the degree of effect of massage therapy on the range of motion of the shoulder. [Subjects and Methods] The database search was conducted using PubMed, CINAHL, Embase, PsycINFO, RISS, NDSL, NANET, DBpia, and KoreaMed. The meta-analysis was based on 7 studies, covered a total of 237 participants, and used a random-effects model. [Results]...

It is a great honor for me to take over the position of Editorin-Chief of the Brain Tumor Research and Treatment (BTRT), following the former Editor-in-Chief, Professor Heon Yoo of National Cancer Center. I feel privileged to thank Professor Yoo, the first Editor-in-Chief of the journal, for his excellent work and commitment to BTRT for five long years. BTRT has evolved from the Journal of Kore...