Authors: Catherine De Angelis; Jeffrey M Drazen; Frank A Frizelle; Charlotte Haug; John Hoey; Richard Horton; Sheldon Kotzin; Christine Laine; Ana Marusic; A John P M Overbeke; Torben V Schroeder; Hal C Sox; Martin B Van Der Weyden Journal: Croat Med J Date: 2004-10 Impact factor: 1.351
Authors: Kerry Dwan; Douglas G Altman; Lynne Cresswell; Michaela Blundell; Carrol L Gamble; Paula R Williamson Journal: Cochrane Database Syst Rev Date: 2011-01-19