Cord blood electrophoresis normally reveals high ... Of the tested infants, 21 had Hb F as the sole detectable hemoglobin. These included 14(66%) preterm infants. Cesarian section was performed ...

Hemoglobin has played a central role in the understanding of many biochemical and biophysical principles, as Eaton and colleagues point out on page 351 of this issue of Nature Structural Biology.