. 2016 Jan 26;18(1):e20. doi: 10.2196/jmir.4982
©Ania Syrowatka, Dörthe Krömker, Ari N Meguerditchian, Robyn Tamblyn. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 26.01.2016.
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Figure 2.
Forest plot of SMDs for improvements in knowledge (18 studies).