Robert D Herbert1, Kari Bø. 1. Centre for Evidence-Based Physiotherapy, University of Sydney, PO Box 170, Lidcombe, NSW 1825, Australia. R.Herbert@fhs.usyd.edu.au
Authors: Sara T Brookes; Elise Whitely; Matthias Egger; George Davey Smith; Paul A Mulheran; Tim J Peters Journal: J Clin Epidemiol Date: 2004-03 Impact factor: 6.437