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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Int J Dermatol. 2013 Aug 22;53(10):e438–e442. doi: 10.1111/ijd.12272

Figure 2. The Quality of Publications Improves significantly over the Study Period.

Figure 2

Publication data were collected as described in materials and methods section. The impact factor per paper was calculated by dividing total impact factor by total number of published papers in each year. Linear regression was used to analyze the significance. (r2=0.8983, p<0.0001)