title: Generic substitution.
authors: John Posner Consulting, Kent Asklepieion Consultancy Ltd, Herts, UK. john.posner@talk21.com
authors: John
authors: J
authors: Posner
authors: John P
authors: JP
authors: Griffin
mesh_terms: D003362:Cost-Benefit Analysis; D003695:Delivery of Health Care / Q000191:economics / Q000639:trends*; D057915:Drug Substitution; D016568:Drugs, Generic; D006801:Humans; D006113:United Kingdom
chemical_list: D016568:Drugs, Generic