title: A radioisotope method for catechol-O-methyl transferase in blood.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000605:Amino Alcohols / Q000032:analysis; D002247:Carbon Isotopes; D002394:Catechol O-Methyltransferase / Q000097:blood; D002395:Catecholamines / Q000032:analysis; D003276:Contraceptives, Oral / Q000494:pharmacology; D004355:Drug Stability; D004837:Epinephrine; D004912:Erythrocytes / Q000187:drug effects / Q000201:enzymology*; D004967:Estrogens / Q000494:pharmacology; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008297:Male; D008780:Methyltransferases / Q000097:blood*; D008875:Middle Aged; D010627:Phenethylamines / Q000032:analysis; D013997:Time Factors; D014316:Tritium
chemical_list: D000605:Amino Alcohols; D002247:Carbon Isotopes; D002395:Catecholamines; D003276:Contraceptives, Oral; D004967:Estrogens; D010627:Phenethylamines; D014316:Tritium; D008780:Methyltransferases; D002394:Catechol O-Methyltransferase; D004837:Epinephrine