title: Pharmacodynamics and pharmacokinetics of methadone during the perioperative period.
mesh_terms: D000328:Adult; D000368:Aged; D000700:Analgesics / Q000627:therapeutic use; D000701:Analgesics, Opioid / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007275:Injections, Intravenous; D007432:Intraoperative Period; D007700:Kinetics; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000097:blood*; D008875:Middle Aged; D010149:Postoperative Pain / Q000188:drug therapy / Q000517:prevention & control*
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D008691:Methadone