Ball Jane, Maben Jill, Griffiths Peter
NIHR CLAHRC Wessex, Faculty of Health Sciences, University of Southampton, Southampton.
National Nursing Research Unit, Florence Nightingale Faculty of Nursing and Midwifery, King's College London, London.
Br J Gen Pract. 2015 Jan;65(630):10-1. doi: 10.3399/bjgp15X683041.