Disease occurrence, disability, and medical care.
D000293:Adolescent; D000328:Adult; D002170:Canada; D003695:Delivery of Health Care; D004185:Disability Evaluation; D005128:Eye Diseases / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007239:Infections / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D010038:Otorhinolaryngologic Diseases / Q000453:epidemiology*