Ryan, CristinRoss, SarahDavey, PeterDuncan, Eilidh MFrancis, Jill JFielding, ShonaJohnston, MarieKer, JeanLee, Amanda JMacLeod, Mary JMaxwell, SimonMcKay, Gerard AMcLay, James SWebb, David JBond, Christine2014-01-152014-01-152014-01-03Ryan, C, Ross, S, Davey, P, Duncan, E M, Francis, J J, Fielding, S, Johnston, M, Ker, J, Lee, A J, MacLeod, M J, Maxwell, S, McKay, G A, McLay, J S, Webb, D J & Bond, C 2014, 'Prevalence and causes of prescribing errors : the PRescribing Outcomes for Trainee Doctors Engaged in Clinical Training (PROTECT) study', PloS ONE, vol. 9, no. 1, e79802. https://doi.org/10.1371/journal.pone.00798021932-6203ORCID: /0000-0003-2115-8184/work/31362308ORCID: /0000-0002-1009-9732/work/86449764ORCID: /0000-0002-4865-9061/work/159078279ORCID: /0000-0003-0124-4827/work/175114080http://hdl.handle.net/2164/3085Acknowledgments We would like to express our gratitude to the pharmacists who collected the data, the doctors who participated in interviews and who completed the questionnaire, and the staff at NES for helping us to deliver this research project. We would also like to thank Directors of Pharmacy and Medical Directors within each participating hospital for supporting the project.9709730engRS Pharmacy and materia medicaRSJournal article10.1371/journal.pone.007980291