Structural quality in the control group 2009 to 2011.
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Significance was tested 2010 (t2) against 2009 (t1), 2011 (t3) against 2010 (t2) and 2011 (t3) against 2009 (t1). Significant decline was marked *↓.Structural quality in the control group 2009 to 2011.
创建时间:
2015-12-03




