The aetiology of upper respiratory tract infections seen in general practice in Sydney.
D000293:Adolescent; D000328:Adult; D001315:Australia; D002648:Child; D002675:Child, Preschool; D005194:Family Practice; D006801:Humans; D007223:Infant; D008199:Lymphadenitis / Q000453:epidemiology; D009333:Neck; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000209:etiology / Q000382:microbiology; D014776:Virus Cultivation; D014777:Virus Diseases / Q000453:epidemiology* / Q000382:microbiology