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Copyright ©2014 Baishideng Publishing Group Inc.
World J Clin Oncol. Dec 10, 2014; 5(5): 931-965
Published online Dec 10, 2014. doi: 10.5306/wjco.v5.i5.931
Figure 25
Figure 25 “Real life” changes in disease prevalence are usually accompanied by changes in both positive and negative population distribution positions, widths and shapes which do change the sensitivity and specificity.