title: Malignant external otitis due to Pseudomonas aeruginosa in childhood.
mesh_terms: D002648:Child; D006801:Humans; D008297:Male; D010032:Otitis Externa / Q000209:etiology*; D010406:Penicillins / Q000627:therapeutic use; D010878:Piperacillin; D011552:Pseudomonas Infections / Q000188:drug therapy; D011550:Pseudomonas aeruginosa
chemical_list: D010406:Penicillins; D010878:Piperacillin