1. Using clinical practice variations as a method for commissioners and clinicians to identify and prioritise opportunities for disinvestment in health care : a cross-sectional study, systematic reviews and qualitative study /: a cross-sectional study, systematic reviews and qualitative study. (April 2015) Authors: Hollingworth, William Other Names: National Institute for Health Research (Great Britain); NIHR Journals Library, publisher. Record Type: Book Extent: 1 online resource (xxvi, 171 pages), illustrations (colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗