• 1. Books & Information Center; West China Hospital; Sichua n University; Chengdu 610041; China2. Chinese Cochrane Center; West China Hospi tal; Sichuan University; 3.West China School of Medicine;
Science and technology journal; Evidence-based research; Search system
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Objective 　To investigate the academic journals indexed by 6 international index systems so as to provide scientific evidence for the development of academic journals.
Methods 　The principle and approach of evidence-based medicine were adopted. Information about Chinese academic journals indexed by 6 index systems was obtained by WEB searching and database retrieval. Details of academic journals in the charge of the Ministry of Education of China( MOE) were sought and assessed by six well-trained reviewers using a blind method.
Results 　Seventy-six academic journals were indexed by SCI which was about 1.52% of total journals published in China and six of them were in the charge of MOE (about 1.46% of the total). Citation impact of academic papers indexed by ISI ranged from 0.9 to 2.2, and average impact ranged from 0.2 to 0.5. Approximately 4.8%, 1.6%, 1.28% and 11.32% academic journals were indexed by EI, IM, EM, AJ respectively.
Conclusions 　The number of Chinese academic journals indexed by key international index systems was small, and the quality of journals should be greatly improved in future.

Citation： HE Lin,CAI Yujia,TANG Chao,KAN Pei,LI Youping. Evidence-Based Research on Chinese Academic Journals Indexed by Six International Index Systems. Chinese Journal of Evidence-Based Medicine, 2005, 05(6): 466-471. doi: Copy