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  Indian J Med Microbiol
 

Figure 3: Overview of the CV of the EQC program results for sperm concentration and morphology assessment. Each dot (improved Neubauer hemocytometer or Diff-Quik staining, respectively) or triangle (other methods) represents the CV (in %) of one EQC sample between 2015 and 2018. CV: coefficient of variation; EQC: external quality control.

Figure 3: Overview of the CV of the EQC program results for sperm concentration and morphology assessment. Each dot (improved Neubauer hemocytometer or Diff-Quik staining, respectively) or triangle (other methods) represents the CV (in %) of one EQC sample between 2015 and 2018. CV: coefficient of variation; EQC: external quality control.