Alex Bottle1, Brian Jarman, Paul Aylin. 1. Dr Foster Unit, Department of Primary Care and Public Health, Imperial College London, London EC1A 9LA. robert.bottle@imperial.ac.uk
Authors: Doris Tove Kristoffersen; Jon Helgeland; Halfrid Persdatter Waage; Jacob Thalamus; Dirk Clemens; Anja Schou Lindman; Liv Helen Rygh; Ole Tjomsland Journal: BMJ Open Date: 2015-03-25 Impact factor: 2.692