title: Letter: Extubation spasm.
mesh_terms: D000769:Anesthesia, Inhalation; D006221:Halothane; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects*; D007826:Laryngismus / Q000209:etiology* / Q000517:prevention & control; D013390:Succinylcholine / Q000008:administration & dosage
chemical_list: D013390:Succinylcholine; D006221:Halothane