Evaluating complex policies: what have we learned from total purchasing?

Evans, D; Mays, N; Wyke, S and (2001) Evaluating complex policies: what have we learned from total purchasing? In: Mays, N; Wyke, S; Malbon, G; Goodwin, N, (eds.) The purchasing of health care by primary care organizations: an evaluation and guide to future policy. Open University Press, Buckingham, pp. 230-252. https://researchonline.lshtm.ac.uk/id/eprint/15403