title: Tragedies in otology.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003911:Dextrans / Q000009:adverse effects; D006801:Humans; D007049:Iatrogenic Disease; D008297:Male; D008416:Mastoid / Q000601:surgery; D008875:Middle Aged; D010036:Otolaryngology; D010040:Otosclerosis / Q000601:surgery; D012306:Risk; D013201:Stapes Surgery / Q000009:adverse effects; D014717:Vertigo / Q000209:etiology
chemical_list: D003911:Dextrans