Agius Raymond M, Hughes Lewis T, Kendrick Denise, Robertson John F R, Stewart Marcia
Centre for Occupational and Environmental Health, Ellen Wilkinson Building, University of Manchester, Manchester M13 9PL, UK.
Beatson West of Scotland Cancer Centre, Gartnavel Hospital, Glasgow, UK.
BMJ. 2021 Apr 13;373:n950. doi: 10.1136/bmj.n950.