Authors: Devyani Kothari; Marc N Gourevitch; Joshua D Lee; Ellie Grossman; Andrea Truncali; Tavinder K Ark; Adina L Kalet Journal: Acad Med Date: 2011-01 Impact factor: 6.893
Authors: Douglas G Altman; Iain Hrynaszkiewicz; Curt D Furberg; Jeremy M Grimshaw; Peter M Rothwell Journal: Trials Date: 2011-11-23 Impact factor: 2.279