Mercer Stewart W, Gunn Jane, Wyke Sally
General Practice and Primary Care, Institute of Health and WellBeing, University of Glasgow, Glasgow, Scotland, UK.
Primary Care Research Unit, Department of General Practice, University of Melbourne, Melbourne, Victoria, Australia.
J Comorb. 2011 Dec 27;1:4-7. doi: 10.15256/joc.2011.1.10. eCollection 2011.