Resolution: standard / high
Figure 3.
Relative crude rates of various continuous variables. # = Number. * – P < 0.05. ** – P < 0.01. *** – P < 0.001. **** – P < 0.0001.
Reece Substance Abuse Treatment, Prevention, and Policy 2008 3:10 doi:10.1186/1747-597X-3-10
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