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. 2014 Mar 29;36(3):230–234. doi: 10.1016/j.bjhh.2014.03.020

Figure 1.

Figure 1

High performance liquid chromatography chromatogram (beta thalassemia short program) when the child was 45 days old. The original line of the chromatogram was traced over to make it clearer 4 years after printing on a thermo-sensitive paper. The relative concentration of Hb A is already higher than that of Hb F, as expected. The estimated relative concentration of Hb M Iwate (area under the peak at the retention time of 4.74 min) is 8.8% [image kindly sent by the Blood Center of Ribeirão Preto, São Paulo, Brazil].