Figure 4: CE HPLC of case 2 (proband and parents). The patient's sample (a) demonstrates four prominent peaks: HbA, HbD Punjab, HbQ India, and the hybrid HbQ India/HbD Punjab eluting in Hb C window (retention time 4.96 - 4.97 min). The parents' samples (b and c) demonstrate two prominent peaks of HbA and HbD Punjab and HbA and HbQ India, respectively