Imamura Mari, Jenkinson David, Wallace Sheila, Buckley Brian, Vale Luke, Pickard Robert
University of Aberdeen, Health Services Research Unit, Health Sciences Building, 3rd floor, Foresterhill, Aberdeen, AB25 2ZD, UK.
Br J Gen Pract. 2013 Apr;63(609):218-20. doi: 10.3399/bjgp13X665477.