title: Biosynthesis of heparin. Hydrogen exchange at carbon 5 of the glucuronosyl residues.
mesh_terms: D000818:Animals; D002417:Cattle; D006493:Heparin / Q000096:biosynthesis*; D007553:Isotope Labeling; D008099:Liver / Q000201:enzymology*; D013464:Sulfuric Acids / Q000032:analysis; D014316:Tritium
chemical_list: D013464:Sulfuric Acids; D014316:Tritium; D006493:Heparin