Trotter J M, Hunt L, Peter M B
Department of Surgery, Scarborough General Hospital, Scarborough YO12 6QL, UK
Department of Diabetes, Endocrinology and Metabolism, Sheffield Teaching Hospitals, Royal Hallamshire Hospital, Sheffield S10 2JF, UK.
BMJ. 2016 Dec 22;355:i6600. doi: 10.1136/bmj.i6600.