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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: J Oral Maxillofac Surg. 2011 Apr 15;69(9):2396–2411. doi: 10.1016/j.joms.2010.12.040

FIGURE 2.

FIGURE 2

Plots of change scores from baseline (horizontal dotted line) for drug use outcomes at follow-up assessments. Error bars represent ± 2 SE. Solid vertical lines are for control group; dashed vertical lines are for personalized motivational intervention group. A, Texas Christian University Drug Screen—II (TCUDS) score. B, Drug-days. C, Primary drug.