Authors: Tom Jefferson; Mark A Jones; Peter Doshi; Chris B Del Mar; Rokuro Hama; Matthew J Thompson; Elizabeth A Spencer; Igho Onakpoya; Kamal R Mahtani; David Nunan; Jeremy Howick; Carl J Heneghan Journal: Cochrane Database Syst Rev Date: 2014-04-10
Authors: Barbara Michiels; Karolien Van Puyenbroeck; Veronique Verhoeven; Etienne Vermeire; Samuel Coenen Journal: PLoS One Date: 2013-04-02 Impact factor: 3.240