Otitis media.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010033:Otitis Media / Q000503:physiopathology / Q000628:therapy*; D010034:Otitis Media with Effusion / Q000628:therapy; D010035:Otitis Media, Suppurative / Q000628:therapy