Specialty centralisation.
Wood
G D
GD
D006801:Humans; D008511:Medicine / Q000458:organization & administration; D010036:Otolaryngology / Q000458:organization & administration; D012040:Regional Health Planning / Q000458:organization & administration*; D013038:Specialization; D013039:Specialties, Dental / Q000458:organization & administration*; D013218:State Dentistry / Q000458:organization & administration; D013515:Surgery, Oral / Q000458:organization & administration; D006113:United Kingdom