Elie A Akl , Frederiek F van Doormaal , Maddalena Barba , Ganesh Kamath , Seo Young Kim , Saskia Kuipers , Saskia Middeldorp , Victor Yosuico , Heather O Dickinson and Holger J Schünemann
Journal of Experimental & Clinical Cancer Research 2008, 27:4doi:10.1186/1756-9966-27-4