Figure 1From: Translating molecular medicine into clinical tools: doomed to fail by neglecting basic preanalytical principlesEffect of blood sampling on MMP-9 (A) and MMP-2 (B) concentration in serum and plasma. Values are given as mean values and their 95% confidence intervals relative to the mean value (=100%) of concentrations measured in serum(+) samples from ten healthy adults. Statistical analyses were carried out by Student's t-test of paired data.Back to article page