title: Letter: Drug combinations for anaesthesia.
mesh_terms: D000766:Anesthesia, Dental; D000777:Anesthetics / Q000008:administration & dosage* / Q000009:adverse effects; D003975:Diazepam / Q000009:adverse effects*; D004338:Drug Combinations; D006801:Humans; D008723:Methohexital / Q000009:adverse effects*; D009609:Nitrous Oxide; D010100:Oxygen; D011187:Posture
chemical_list: D000777:Anesthetics; D004338:Drug Combinations; D008723:Methohexital; D009609:Nitrous Oxide; D003975:Diazepam; D010100:Oxygen