%0 Journal Article
%B N Engl J Med
%D 2012
%G eng
%N 21
%P 2044-9
%R 10.1056/NEJMsr1210160
%T Residents' duty hours--toward an empirical narrative.
%V 367
%1 https://www.ncbi.nlm.nih.gov/pubmed/23171102
%8 11/2012