Resolution: standard / high
Figure 4.
Guideline awareness in relation to duration of private practice in 2000 (n = 11547) und 2005 (n = 2474). * P < 0.0001 for comparison of 2000 and 2005.
Hagemeister et al. Trials 2008 9:39 doi:10.1186/1745-6215-9-39
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