Possible relationship between the level of Hb Bart's (gamma4) and the relative amount of Hb S or Hb C in black heterozygous newborn.
D044383:Black People; D006444:Hemoglobin C; D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D006579:Heterozygote; D006801:Humans; D007231:Infant, Newborn
D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D006444:Hemoglobin C