title: Letter: Relative cost of drugs.
mesh_terms: D003365:Costs and Cost Analysis; D004989:Ethics; D006077:Government Agencies; D004364:Pharmaceutical Preparations / Q000008:administration & dosage*; D012216:Rheumatic Diseases / Q000188:drug therapy; D013222:State Medicine; D006113:United Kingdom
chemical_list: D004364:Pharmaceutical Preparations