High performance liquid chromatography analysis of the patient’s hemoglobin. HPLC analysis shows a peak of unknown variety at 2.13 min that eluted earlier than HbA at 2.44 min. The chromatogram also contains peaks corresponding to HbF and HbA2.
Paradise et al. BMC Clinical Pathology 2014 14:4 doi:10.1186/1472-6890-14-4