Random observations.
D002644:Chickenpox / Q000150:complications; D002648:Child; D002675:Child, Preschool; D003933:Diagnosis; D005260:Female; D006506:Hepatitis A / Q000175:diagnosis; D006801:Humans; D007223:Infant; D008297:Male; D008457:Measles / Q000150:complications; D009461:Neurologic Manifestations; D010808:Physical Examination; D012877:Skin Manifestations; D013342:Stuttering; D014390:Tuberculosis, Meningeal / Q000175:diagnosis; D014581:Urticaria