RT Journal Article SR Electronic T1 When is it time to stop working due to fatigue? A simple human factors (HF) self-assessment test JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 523 OP 523 DO 10.1136/jclinpath-2020-206488 VO 73 IS 8 A1 Poller, David Nigel A1 Perez-Machado, Miguel YR 2020 UL http://jcp.bmj.com/content/73/8/523.abstract AB