title: Two years.
authors.forename: F J Trevor
authors.initials: FJ
authors.lastname: Burke
mesh_terms: D003695:Delivery of Health Care / Q000458:organization & administration*; D003729:Dental Care / Q000458:organization & administration*; D006801:Humans; D011320:Primary Health Care / Q000458:organization & administration*; D013218:State Dentistry / Q000458:organization & administration*