1. Amado, C.A.F., 2003. Exploring the use of data envelopment analysis for evaluation in primary care. Ph.D. Thesis, Warwick Business School, University of Warwick, Warwick.
2. General practice in Gloucestershire, Avon and Somerset: Explaining variations in standards;Baker;British Journal of General Practice,1992
3. Measuring the efficiency of prescribing by general practitioners;Bates;Journal of the Operational Research Society,1996
4. Evaluation and the performance management movement: from estrangement to useful integration?;Blalock;Evaluation,1999
5. Comparing the agreement among alternative models in evaluating HMO efficiency;Bryce;Health Services Research,2000