title: Determination of histidine decarboxylase activity.
mesh_terms: D000818:Animals; D002245:Carbon Dioxide / Q000032:analysis; D002247:Carbon Isotopes; D002262:Carboxy-Lyases / Q000032:analysis* / Q000302:isolation & purification; D005260:Female; D005333:Fetus / Q000201:enzymology; D006632:Histamine / Q000032:analysis; D006639:Histidine / Q000302:isolation & purification; D012515:Mast-Cell Sarcoma / Q000201:enzymology; D008722:Methods; D051379:Mice; D011247:Pregnancy; D051381:Rats
chemical_list: D002247:Carbon Isotopes; D002245:Carbon Dioxide; D006639:Histidine; D006632:Histamine; D002262:Carboxy-Lyases