Levels of evidence and journal impact factor in oral and maxillofacial surgery S.L. Lau, N. Samman International Journal of Oral and Maxillofacial Surgery Volume 36, Issue 1, Pages 1-5 (January 2007) DOI: 10.1016/j.ijom.2006.10.008 Copyright © 2006 International Association of Oral and Maxillofacial Surgeons Terms and Conditions
Fig. 1 Overall distribution of levels of evidence in OMS articles published 2002–2003. International Journal of Oral and Maxillofacial Surgery 2007 36, 1-5DOI: (10.1016/j.ijom.2006.10.008) Copyright © 2006 International Association of Oral and Maxillofacial Surgeons Terms and Conditions
Fig. 2 Distribution of levels of evidence for each journal. International Journal of Oral and Maxillofacial Surgery 2007 36, 1-5DOI: (10.1016/j.ijom.2006.10.008) Copyright © 2006 International Association of Oral and Maxillofacial Surgeons Terms and Conditions
Fig. 3 Distribution of non-evidence articles. International Journal of Oral and Maxillofacial Surgery 2007 36, 1-5DOI: (10.1016/j.ijom.2006.10.008) Copyright © 2006 International Association of Oral and Maxillofacial Surgeons Terms and Conditions