Authors: Jelena Barbaric; Rachel Abbott; Pawel Posadzki; Mate Car; Laura H Gunn; Alison M Layton; Azeem Majeed; Josip Car Journal: Cochrane Database Syst Rev Date: 2016-09-27
Authors: Jon A Halvorsen; Florence Dalgard; Magne Thoresen; Espen Bjertness; Lars Lien Journal: BMC Public Health Date: 2009-09-16 Impact factor: 3.295