Mark Ashworth1, Martin Marshall2. 1. Department of Primary Care & Public Health Sciences, King's College London, London. 2. Professor of Healthcare Improvement, University College London, London.
Authors: Hugh Gravelle; Mark Dusheiko; Rod Sheaff; Penny Sargent; Ruth Boaden; Susan Pickard; Stuart Parker; Martin Roland Journal: BMJ Date: 2006-11-15
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Authors: Sasha Shepperd; Helen Doll; Robert M Angus; Mike J Clarke; Steve Iliffe; Lalit Kalra; Nicoletta Aimonino Ricauda; Andrew D Wilson Journal: Cochrane Database Syst Rev Date: 2008-10-08