title: Reply from the authors.
authors: Liverpool, UK.
authors: A P
authors: AP
authors: Morrison
authors: J M
authors: JM
authors: Hunter
authors: S H
authors: SH
authors: Halpern
authors: A
authors: A
authors: Banerjee
mesh_terms: D000759:Adjuvants, Anesthesia / Q000008:administration & dosage*; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D000775:Anesthesia, Spinal / Q000379:methods*; D018685:Anesthetics, Inhalation / Q000097:blood*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D006348:Cardiac Surgical Procedures; D002315:Cardiopulmonary Bypass; D005260:Female; D006801:Humans; D008278:Magnesium Sulfate / Q000008:administration & dosage*; D008297:Male; D008738:Methyl Ethers / Q000097:blood*; D010107:Oxygenators, Membrane
chemical_list: D000759:Adjuvants, Anesthesia; D000701:Analgesics, Opioid; D018685:Anesthetics, Inhalation; D000779:Anesthetics, Local; D008738:Methyl Ethers; D008278:Magnesium Sulfate