title: An improved haptoglobin subtyping procedure using polyacrylamide gel electrophoresis. Haptoglobin gene frequency distribution among a group of blood bank donors.
mesh_terms: D000478:Alkylation; D002848:Chromatography, DEAE-Cellulose; D003720:Densitometry; D004229:Dithiothreitol; D004589:Electrophoresis, Disc; D004591:Electrophoresis, Polyacrylamide Gel; D005796:Genes; D006242:Haptoglobins / Q000302:isolation & purification*; D010084:Oxidation-Reduction; D011110:Polymorphism, Genetic; D014508:Urea
chemical_list: D006242:Haptoglobins; D014508:Urea; D004229:Dithiothreitol