%0 Journal Article %B N Engl J Med %D 2009 %G eng %N 21 %P 2202-15 %R 10.1056/NEJMsa0810251 %T Cost implications of reduced work hours and workloads for resident physicians. %V 360 %1 https://www.ncbi.nlm.nih.gov/pubmed/19458365 %8 05/2009