Figure 4
From: External quality assessment of HIV-1 DNA quantification assays used in the clinical setting in Italy
HIV-1 DNA (copies per 106 cells) measured by the participating laboratories in the DNA extracts from different HIV-1 subtypes. Bars indicate median values. Graphic elaboration was realized using the GraphPad Prism software version 6.0 (https://www.graphpad.com/scientific-software/prism/).
