title: Metabolic immaturity in mental retardation: quantitative relationships of lactate dehydrogenase isozymes.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001797:Blood Protein Electrophoresis; D002648:Child; D002675:Child, Preschool; D003720:Densitometry; D004314:Down Syndrome / Q000097:blood / Q000201:enzymology; D004592:Electrophoresis, Starch Gel; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000097:blood / Q000201:enzymology*; D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase / Q000097:blood*; D009132:Muscles / Q000201:enzymology; D009206:Myocardium / Q000201:enzymology; D005082:Physical Exertion; D012737:Sex Factors
chemical_list: D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase