title: Isozymes: conceptual history and biological significance.
mesh_terms: D000818:Animals; D004950:Esterases / Q000378:metabolism; D006801:Humans; D007527:Isoenzymes / Q000378:metabolism*; D007700:Kinetics; D007770:L-Lactate Dehydrogenase / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism*; D009206:Myocardium / Q000201:enzymology; D009928:Organ Specificity; D013045:Species Specificity
chemical_list: D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase; D004950:Esterases