Record linkage systems--Canada vs the United States.
D002170:Canada; D003219:Confidentiality; D004812:Epidemiologic Methods; D006077:Government Agencies / Q000458:organization & administration; D006801:Humans; D008498:Medical Record Linkage; D008499:Medical Records; D011159:Population Surveillance; D014481:United States; D014798:Vital Statistics