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2. No authors listed. NHSLA. The NHS Litigation Authority Factsheet 1: Background Information, 2011. http://www.nhsla.com/NR/rdonlyres/C9A80E89-2BFA-44F5-A01C-90B86D765B2D/0/NHSLAFactsheet1August2011.pdf (date last accessed 8 October 2012).
3. No authors listed. NHSLA. The NHS Litigation Authority Factsheet 2: Financial Information, 2011. www.nhsla.com/NR/rdonlyres/465D7ABD-239F-4273-A01E-C0CED557453D/0/NHSLAFactsheet2financialinformation200708.doc (date last accessed 8 October 2012).
4. Some guidelines on the use of cost effectiveness league tables.
5. Effectiveness of hip or knee replacement surgery in terms of quality-adjusted life years and costs