The interrelationships of upper and lower respiratory tract symptoms and signs in seven-year-old children.
D000367:Age Factors; D001249:Asthma / Q000453:epidemiology; D001315:Australia; D001991:Bronchitis / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003139:Common Cold / Q000453:epidemiology; D003371:Cough / Q000453:epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D007826:Laryngismus / Q000453:epidemiology; D008297:Male; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000453:epidemiology*; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology; D012621:Seasons; D012737:Sex Factors; D011795:Surveys and Questionnaires; D013997:Time Factors