Xibei Liu1, Angela Villamagna1, Ji Yoo2. 1. University of Nevada School of Medicine, Las Vegas, NV, USA. 2. University of Nevada School of Medicine, Las Vegas, NV, USA. jwyoo@medicine.nevada.edu.
Authors: Gordon H Guyatt; Andrew D Oxman; Gunn E Vist; Regina Kunz; Yngve Falck-Ytter; Pablo Alonso-Coello; Holger J Schünemann Journal: BMJ Date: 2008-04-26