Neil C Campbell1. 1. University of Aberdeen Department of General Practice and Primary Care, Foresterhill Health Centre, Aberdeen AB25 2AY. n.campbell@abdn.ac.uk
Authors: Peter M Brindle; Alex McConnachie; Mark N Upton; Carole L Hart; George Davey Smith; Graham C M Watt Journal: Br J Gen Pract Date: 2005-11 Impact factor: 5.386