title: Histamine metabolism in carcinoidosis.
mesh_terms: D000368:Aged; D002247:Carbon Isotopes; D002276:Carcinoid Tumor / Q000378:metabolism*; D005260:Female; D006632:Histamine / Q000378:metabolism*; D006801:Humans; D008297:Male; D008303:Malignant Carcinoid Syndrome / Q000378:metabolism*; D008875:Middle Aged; D014556:Urine
chemical_list: D002247:Carbon Isotopes; D006632:Histamine