title: Patient postcoding and the GDS.
authors.forename: J
authors.initials: J
authors.lastname: Hogan
mesh_terms: D002204:Capitation Fee / Q000458:organization & administration*; D003752:Dental Health Services / Q000706:statistics & numerical data*; D006801:Humans; D008131:London; D011177:Postal Service; D012111:Residence Characteristics