Murray J K, Casey R A, Gale E, Buffington C A T, Roberts C, Kinsman R H, Gruffydd-Jones T J
School of Veterinary Science, University of Bristol, Langford House, Langford, North Somerset, UK.
The Royal Veterinary College, Hawkshead Lane, North Mymms, Herts, AL9 7TA, UK.
Int J Epidemiol. 2017 Dec 1;46(6):1749-1750e. doi: 10.1093/ije/dyx066.