title: Use of internal standards in electrophoretic surveys of enzyme polymorphism.
mesh_terms: D000818:Animals; D004592:Electrophoresis, Starch Gel / Q000379:methods; D004798:Enzymes / Q000032:analysis; D005069:Evaluation Studies as Topic; D005954:Glucosephosphate Dehydrogenase / Q000032:analysis; D007527:Isoenzymes / Q000032:analysis*; D007915:Lepidoptera / Q000201:enzymology; D008433:Mathematics; D008970:Molecular Weight; D011110:Polymorphism, Genetic
chemical_list: D004798:Enzymes; D007527:Isoenzymes; D005954:Glucosephosphate Dehydrogenase