Gray Muir, Airoldi Mara, Bevan Gwyn, McCulloch Peter
1 Value Based Healthcare Programme, University of Oxford, Oxford OX2 6GG, UK.
2 Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6GG, UK.
J R Soc Med. 2017 Jul;110(7):283-286. doi: 10.1177/0141076817711090. Epub 2017 May 24.