deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 4f27397..adf13e3 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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journal = {York: University of York},  year = {2013},  }  @article{Culyer_2007,  doi = {10.1258/135581907779497567},  url = {http://dx.doi.org/10.1258/135581907779497567},  year = {2007},  month = {jan},  publisher = {{SAGE} Publications},  volume = {12},  number = {1},  pages = {56--58},  author = {A. Culyer and C. McCabe and A. Briggs and K. Claxton and M. Buxton and R. Akehurst and M. Sculpher and J. Brazier},  title = {{Searching for a threshold not setting one: the role of the National Institute for Health and Clinical Excellence}},  journal = {Journal of Health Services Research {\&} Policy},  }