Schünemann Holger J, Oxman Andrew D, Brozek Jan, Glasziou Paul, Bossuyt Patrick, Chang Stephanie, Muti Paola, Jaeschke Roman, Guyatt Gordon H
McMaster University, Hamilton, Ontario, Canada.
Evid Based Med. 2008 Dec;13(6):162-3. doi: 10.1136/ebm.13.6.162-a.