%0 Journal Article %B BMJ %D 2011 %G eng %P d1580 %R 10.1136/bmj.d1580 %T Impact of reduction in working hours for doctors in training on postgraduate medical education and patients' outcomes: systematic review. %V 342 %1 https://www.ncbi.nlm.nih.gov/pubmed/21427046 %8 03/2011