title: On command and demand.
authors.forename: Laura
authors.initials: L
authors.lastname: Donnelly
mesh_terms: D018166:Health Care Reform / Q000458:organization & administration*; D006301:Health Services Needs and Demand; D006779:Hospitals, Public; D011320:Primary Health Care; D012017:Referral and Consultation; D013222:State Medicine / Q000458:organization & administration*; D006113:United Kingdom