Figure 2From: First North American case of Hemoglobin Shepherds Bush (β 74[E18] Gly → Asp) in a central Pennsylvania family 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.Back to article page