Authors: Ramon T Saccilotto; Christian H Nickel; Heiner C Bucher; Ewout W Steyerberg; Roland Bingisser; Michael T Koller Journal: CMAJ Date: 2011-09-26 Impact factor: 8.262
Authors: Aron Downie; Christopher M Williams; Nicholas Henschke; Mark J Hancock; Raymond W J G Ostelo; Henrica C W de Vet; Petra Macaskill; Les Irwig; Maurits W van Tulder; Bart W Koes; Christopher G Maher Journal: BMJ Date: 2013-12-11
Authors: Penny F Whiting; Clare Davenport; Catherine Jameson; Margaret Burke; Jonathan A C Sterne; Chris Hyde; Yoav Ben-Shlomo Journal: BMJ Open Date: 2015-07-28 Impact factor: 2.692