title: Marginal analysis in practice.
authors: A
authors: A
authors: Mordue
authors: N
authors: N
authors: Craig
mesh_terms: D003362:Cost-Benefit Analysis; D005102:Health Expenditures; D006292:Health Priorities; D006301:Health Services Needs and Demand; D006801:Humans; D013222:State Medicine / Q000191:economics; D014852:Wales