title: Letter: Death during dental anaesthesia.
mesh_terms: D000766:Anesthesia, Dental / Q000401:mortality*; D002648:Child; D006221:Halothane / Q000009:adverse effects; D006801:Humans; D008297:Male; D009609:Nitrous Oxide / Q000009:adverse effects; D011187:Posture; D013575:Syncope / Q000139:chemically induced; D014693:Ventricular Fibrillation / Q000139:chemically induced
chemical_list: D009609:Nitrous Oxide; D006221:Halothane