Authors: Lori-Ann Linkins; Shannon M Bates; Eddy Lang; Susan R Kahn; James D Douketis; Jim Julian; Sameer Parpia; Peter Gross; Jeffrey I Weitz; Frederick A Spencer; Agnes Y Y Lee; Martin J O'Donnell; Mark A Crowther; Howard H Chan; Wendy Lim; Sam Schulman; Jeffrey S Ginsberg; Clive Kearon Journal: Ann Intern Med Date: 2013-01-15 Impact factor: 25.391