Figure 1From: An insight into the suspected HbA2' cases detected by high performance liquid chromatography in PakistanChromatogram with suspected HbA2'. Chromatogram in a patient with S-window peak of 2.4% (red arrow) and Hb A2 of 3.0% (Please note that this chromatogram was not included in this study as it was identified outside the study duration, i.e. after 2006).Back to article page