title: Anaphylactic shock due to oral demethylchlortetracycline.
mesh_terms: D000328:Adult; D000707:Anaphylaxis / Q000209:etiology* / Q000503:physiopathology; D003707:Demeclocycline / Q000009:adverse effects*; D004342:Drug Hypersensitivity; D004562:Electrocardiography; D006801:Humans; D008297:Male
chemical_list: D003707:Demeclocycline