title: The storage of the solution of  14 C-labelled 3,4-dihydroxyphenylalanine for decarboxylase assay.
mesh_terms: D001205:Ascorbic Acid; D002247:Carbon Isotopes; D003653:Decarboxylation; D004295:Dihydroxyphenylalanine; D004296:Dopa Decarboxylase / Q000032:analysis*; D004355:Drug Stability; D012996:Solutions
chemical_list: D002247:Carbon Isotopes; D012996:Solutions; D004295:Dihydroxyphenylalanine; D004296:Dopa Decarboxylase; D001205:Ascorbic Acid