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. Author manuscript; available in PMC: 2011 Jun 23.
Published in final edited form as: Obstet Gynecol. 2009 Oct;114(4):877–884. doi: 10.1097/AOG.0b013e3181b5c9e8

Fig. 1.

Fig. 1

Selection process of published articles in six journals between January 2006 and June 2006. Exclusion criteria were article type (commentaries, correspondence, Clinical Expert Series, discussions, editorials, and letters) or journal-specific keywords using EndNote9 (EndNote, Carlsbad, CA). *American Journal of Obstetrics & Gynecology (AJOG) keyword: “closing.” †The British Journal of Obstetrics and Gynecology (BJOG) did not have any EndNote9 keyword exclusions. ‡Obstetrics & Gynecology (Obstet Gynecol) keywords: “ACOG Committee Opinion,” “ACOG Practice Bulletin.” §Journal of the American Medical Association (JAMA) keywords: “a piece of my mind,” “the cover,” “interview,” “news,” “JAMA pt page,” “historical.” ∥Lancet keywords: “interview,” “news,” “historical.” #New England Journal of Medicine (NEJM) keywords: “clinical problem,” “clinical practice,” “images in clinic,” “videos in clinical,” “historical.”