Infectious and allergenic conditions of the eye, nose and throat.
D002648:Child; D002675:Child, Preschool; D005512:Food Hypersensitivity / Q000175:diagnosis; D006261:Headache / Q000209:etiology; D006801:Humans; D006967:Hypersensitivity; D007223:Infant; D010038:Otorhinolaryngologic Diseases; D012882:Skin Tests