%0 Conference Proceedings %B N Engl J Med %D 2009 %G eng %N 16 %P 1628-38 %R 10.1056/NEJMsa0900592 %T Use of electronic health records in U.S. hospitals. %V 360 %1 https://www.ncbi.nlm.nih.gov/pubmed/19321858 %8 04/2009