title: [Statistical study of penicillin-resistant Streptococcus pneumoniae in otorhinolaryngologic patients in a general hospital in Japan].
authors.forename: K
authors.initials: K
authors.lastname: Itakura
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006748:Hospital Departments / Q000706:statistics & numerical data*; D006801:Humans; D007223:Infant; D007564:Japan / Q000453:epidemiology; D010033:Otitis Media / Q000453:epidemiology / Q000382:microbiology*; D010403:Penicillin Resistance; D013296:Streptococcus pneumoniae / Q000302:isolation & purification*; D013997:Time Factors