A paper entitled "No evidence that patient choice in the NHS saves lives" which is co-authored by Dr. Carlo Morelli has been published in the online edition of the Lancet. This paper critiques the evidence which has been used to justify the current government's Health and Social Care Bill, noting that the statistical methods of Cooper et al.'s study which published by the London School of Economics "did not show a causal inverse relation between patient choice and death rates."
http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(11)61553-5/fulltext