title: Simple apparatus for dental anaesthesia in the chair.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000766:Anesthesia, Dental / Q000295:instrumentation*; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D002648:Child; D005260:Female; D006221:Halothane; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen; D014081:Tooth Extraction
chemical_list: D010100:Oxygen; D006221:Halothane