title: Ear infection due to penicillin-resistant pneumococcus in immunodeficient child.
mesh_terms: D002648:Child; D004406:Dysgammaglobulinemia / Q000150:complications*; D006801:Humans; D017098:IgA Deficiency; D008297:Male; D010033:Otitis Media / Q000209:etiology*; D010403:Penicillin Resistance; D010406:Penicillins / Q000627:therapeutic use; D011008:Pneumococcal Infections / Q000209:etiology*; D013296:Streptococcus pneumoniae / Q000187:drug effects
chemical_list: D010406:Penicillins