title: Universal health insurance in Canada: history, problems and trends.
mesh_terms: D002170:Canada; D003363:Cost Control; D005102:Health Expenditures; D049673:History, 20th Century; D006801:Humans; D007348:Insurance, Health / Q000191:economics / Q000266:history; D007350:Insurance, Hospitalization; D009313:National Health Programs / Q000266:history; D014481:United States