%0 Journal Article
%B N Engl J Med
%D 2020
%N 26
%P 2514-2523
%R 10.1056/nejmoa1900669
%T Cumulative effect of flexible duty-hour policies on resident outcomes: long-term follow-up results from the FIRST trial
%V 382
%8 06/2020
%& 2514-2523