title: Evidence for four nonallelic structural genes for the   chain of human fetal hemoglobin.
mesh_terms: D000367:Age Factors; D000483:Alleles; D000596:Amino Acids / Q000032:analysis; D001797:Blood Protein Electrophoresis; D002852:Chromatography, Ion Exchange; D004592:Electrophoresis, Starch Gel; D005319:Fetal Hemoglobin / Q000032:analysis*; D005796:Genes; D005998:Glycine / Q000032:analysis; D006579:Heterozygote; D006801:Humans; D007231:Infant, Newborn; D008722:Methods; D009154:Mutation; D010455:Peptides / Q000032:analysis
chemical_list: D000596:Amino Acids; D010455:Peptides; D005319:Fetal Hemoglobin; D005998:Glycine