Authors: Marcus D Flather; Jean Booth; Daphne Babalis; Hector Bueno; Philippe G Steg; Grzegorz Opolski; Filippo Ottani; Jacques Machecourt; Alfredo Bardaji; Mats Bojestig; Anthony R Brady; Bertil Lindahl Journal: Trials Date: 2010-01-14 Impact factor: 2.279