Authors: J M van der Waal; S D M Bot; C B Terwee; D A W M van der Windt; F G Schellevis; L M Bouter; J Dekker Journal: Ann Rheum Dis Date: 2005-11-03 Impact factor: 19.103
Authors: Claire M Jenkinson; Michael Doherty; Anthony J Avery; Anna Read; Moira A Taylor; Tracey H Sach; Paul Silcocks; Kenneth R Muir Journal: BMJ Date: 2009-08-18