Letter: On national health insurance.
D003815:Dentists / Q000600:supply & distribution; D005245:Fee Schedules; D006801:Humans; D007347:Insurance, Dental; D007348:Insurance, Health; D007879:Legislation, Dental; D007883:Legislation, Medical; D013218:State Dentistry; D013222:State Medicine; D006113:United Kingdom; D014481:United States